Things ignored by this post:

Conservationism about coersively overriding the rules of the network is a widely held view, including almost the entire technical community (which blockstream engineers are only a small part of).

Concerns about hardforks and removal of blocksize limits stem back many years, long before the creation of blockstream. I was posting in 2011, for example.

Soft-forks were a mechanism put into place by Bitcoin's creator-- and used by him several times, never hardforks--, and he also also described the initial rules as largely set in stone when the system was launched.

At the end of the day, _no one_ has the authority to push a hardfork onto other people-- to do so would require overriding their wishes and changing the software on computers they personally own and control.  Bitcoin is specifically designed to not have that kind of authority.  People who think hardforks are easy, simple, or desirable have lost the plot.