Is an Extension Accidentally Turning Off JavaScript and Blocking Your Work?

https://technivorz.com/why-regular-x-users-suddenly-hit-a-javascript-error-and-then-cant-get-back-in/

You're trying to use a web app, sign a contract, fill a form, or pay a bill and the page looks like it was built in 1998. Buttons don't respond. Modals never appear. The console shows errors but you shrug because you're not a developer