Conceptually, that was a helluva pain in the ass compared to simply downgrading to a working release.
That said: would I rather live in a world where everybody is running an up-to-date browser, even if that browser is occasionally buggy? Or would I rather live in a world where everybody is running a panoply of wildly out-of-date browsers, just because they're afraid to click "yes" on an upgrade? (I know plenty of less-tech-savvy people have been trained to never approve a dialogue box which they don't thoroughly grok; for them, browser and system updates, etc., will NEVER be applied.) The answer is very much the former. It's absolutely worth a rare bit of personal pain for the collective benefit of an up-to-date browser ecosystem.