The clearest end point for this is some government issued digital ID that just asserts who you are, acts as a login etc.
You can see this as a stepping stone to there. if you squint.
Is it the idealism of the 70s coke to life? No. Is it some sane compromise - I think so.
What if we cannot trust our government ? Sorry it is pretty sure that no internet is going to solve that. That's on the real world.
Secure hardware feels like it has no upside. It will not even be a speed bump for anyone spreading disinformation at any level of scale. It mildly inconveniences only extremrly unsophisticated/casual bad actors. And it greatly constrains who can make a browser and those with non-Trusted devices, such as Linux users or people who turn off Trusted Boot.