Nearly 70% of JavaScript developers have less than 10 years of experience (with an average of 8.3 years).
This means they have never seen a Web where JavaScript was optional and Web developers were used to test their projects without it.
This in turn explains their outraged reactions to anybody that dare to point out its severe vulnerabilities.
See
https://bugzilla.mozilla.org/show_bug.cgi?id=1487081
https://dev.to/shamar/the-meltdown-of-the-web-4p1m
https://dev.to/shamar/i-have-been-banned-from-lobsters-ask-m...
https://www.reddit.com/r/firefox/comments/9v5qst/1487081_und...