Earlier quoted context omitted.
> developers will always push things to the limit Agree, it's an arms race at this point between end consumers and app developers. However, it also means once Mighty becomes popular they have to contend with developers overwhelming their computing resources as well.
As long as Mighty keeps providing a better experience than the local browser on the average user's own device, they'll have utility for a significant number of people. Developers still need to provide satisfactory-enough performance to the bulk of their audience. Mighty is for the users in the right tail who are willing to pay for better-than-satisfactory. There's no reason to believe that right tail will ever disapp…
Mighty can succeed yes, but it's success would be bad for the ecosystem.
Centralized processing of all computing, would just make current issues like censorship, security issues worse.