yttriumGemmellnessamds have shitty single-core performance atm and since tf2 is a shitty single core game everything becomes shittyTF2 is NOT a "single core" game but it is heavily reliant on single-threaded performance, yes.
yeah, i was exaggerating. stuff like jigglebones/ropes can be threaded out but still there's a single CPU thread which does most of the work and is the bottleneck 99% of the time