I feel the strong need to point out some of these settings will break Firefox in subtle and hard to understand ways. There’s a reason you “void the warranty” when tweaking the about:config preferences. No rule against it, but just watch out. (Mozilla employee)
Maybe Mozilla should remove about:config, so users can't hurt themselves on it. I'm sure the telemetry shows its rarely used, and when it is, it often breaks the browser in ways that are unfixable for the average user. Malware is also able to modify these advanced settings to hijack the browser in nasty ways, and slow down Firefox, and make people switch to Chrome faster. If they don't remove it Firefox is going to c…
I see this defense quite a lot on the internet, and I think it's misplaced. Even without your comment, I would have downvoted you, not because I though you were in earnest, but because your sarcastic comment doesn't add anything to the conversation.