I play on 1000 hz. I also use LAN to LAN for my remote play (lan on pc and another lan cable on my ps5). I have also tried what you stated. I reset to an older firm ware and then upgraded back to the most recent firmware. I also created a xim configuration from scratch, and the inconsistent and weird aim feel is still there. Not that it matters but i have been xim for around 3 years now. Also here is the trace log for a minute or 2 of t hunt just aiming and shooting.
[00969] Q[0] E[0] M[0] | S[0] C[29] T[0] I[0] R[ 68, 73,1000] U[50] [14] *^
[00970] Q[0] E[0] M[0] | S[0] C[29] T[0] I[0] R[ 70, 76,1000] U[50] [17] *^
[01348] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 68, 76,1000] U[50] [20] *^
[01349] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 122, 332,1000] U[50] [15] *^
[01350] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 228, 348,1000] U[50] [29] *^
[01351] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 272, 334,1000] U[50] [28] *^
UI[00] BT[00] HR[04] HT[03] TR[13] DV[01] TW[00] EN[00]
T0[157] | [157] | [ 4] [C-MK]
P4[129] GK[128] GM[130]
[01352] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 256, 359,1000] U[50] [30] *^
[01353] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 259, 355,1000] U[49] [31] *^
[01354] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 287, 354,1000] U[50] [30] *^
[01355] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 248, 352,1000] U[50] [30] *^
[01356] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 271, 339,1000] U[50] [28] *^
UI[00] BT[00] HR[04] HT[03] TR[18] DV[01] TW[00] EN[00]
T0[157] | [157] | [ 2] [C-MK]
P4[132] GK[131] GM[130]
[01357] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 227, 354,1000] U[50] [28] *^
[01358] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 214, 348,1000] U[50] [27] *^
[01359] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 271, 338,1000] U[50] [29] *^
[01360] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 239, 363,1000] U[50] [30] *^
[01361] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 245, 373,1000] U[50] [26] *^
UI[00] BT[00] HR[04] HT[03] TR[17] DV[01] TW[00] EN[00]
T0[161] | [161] | [ 4] [C-MK]
P4[133] GK[132] GM[131]
[01362] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 222, 353,1000] U[50] [28] *^
[01363] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 273, 334,1000] U[50] [29] *^
[01364] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 249, 365,1000] U[50] [27] *^
[01365] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 238, 341,1000] U[50] [30] *^
[01366] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 245, 347,1000] U[50] [25] *^
UI[00] BT[00] HR[04] HT[03] TR[17] DV[01] TW[00] EN[00]
T0[159] | [159] | [ 3] [C-MK]
P4[133] GK[132] GM[130]
[01367] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 213, 355,1000] U[50] [28] *^
[01368] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 229, 346,1000] U[49] [25] *^
[01369] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 277, 358,1000] U[50] [29] *^
[01370] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 245, 357,1000] U[50] [31] *^
[01371] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 243, 350,1000] U[49] [25] *^
UI[00] BT[00] HR[05] HT[03] TR[17] DV[01] TW[00] EN[00]
T0[162] | [162] | [ 4] [C-MK]
P4[133] GK[132] GM[130]
[01372] Q[0] E[0] M[0] | S[0] C[43] T[0] I[0] R[ 273, 339,1000] U[50] [31] *^
[01373] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 286, 370,1000] U[50] [32] *^
[01374] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 244, 372,1000] U[50] [28] *^
[01375] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 246, 346,1000] U[50] [30] *^
[01376] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 275, 360,1000] U[50] [27] *^
UI[00] BT[00] HR[04] HT[03] TR[18] DV[01] TW[00] EN[00]
T0[157] | [157] | [ 4] [C-MK]
P4[132] GK[131] GM[130]
[01377] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 198, 370,1000] U[50] [27] *^
[01378] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 209, 347,1000] U[49] [24] *^
[01379] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 272, 334,1000] U[50] [30] *^
[01380] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 248, 367,1000] U[50] [30] *^
[01381] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 268, 353,1000] U[50] [28] *^
UI[00] BT[00] HR[04] HT[03] TR[17] DV[01] TW[00] EN[00]
T0[158] | [158] | [ 5] [C-MK]
P4[132] GK[132] GM[130]
[01382] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 219, 347,1000] U[50] [28] *^
[01383] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 283, 344,1000] U[50] [30] *^
[01384] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 293, 365,1000] U[50] [31] *^
[01385] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 225, 364,1000] U[50] [26] *^
[01386] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 230, 360,1000] U[50] [26] *^
UI[00] BT[00] HR[04] HT[03] TR[18] DV[01] TW[00] EN[00]
T0[162] | [162] | [ 4] [C-MK]
P4[134] GK[133] GM[135]
[01387] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 231, 341,1000] U[50] [29] *^
[01388] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 191, 344,1000] U[50] [21] *^
[01389] Q[0] E[0] M[0] | S[0] C[44] T[0] I[0] R[ 70, 76,1000] U[50] [20] *^