Extensions and add-ons are for power users, not for regular users
Context: Web browser extensions (Chrome) and add-ons (Firefox). (via https://news.ycombinator.com/item?id=40236797
They are not accessible-enough for regular users.
(Many of the web/internet tools are not accessible-enough for regular users? They are mostly guided by what Google and Meta provides/tells them.)
Somehow related in my mind: https://browser.horse/ and https://arc.net/