The answer to this one is that the fundamental problem that current TPMs aim to "solve" is that of allowing corporate control and inspection of end users' computers. To continue having a free society where individuals have some autonomy over the devices they purportedly own, this needs to be soundly rejected.
Also that you're talking about anti virus shows that you're not really in touch with the gamut of computing. From my perspective, anti virus was something that was relevant two decades ago.