The message that is the third most negative by this metric is the following:
> Looks like a cool project, but I can't scroll very far down the site before my browser crashes. I've reproduced this several times, here's the terminal output if it helps: $ conkeror https://alpha.trycarbide.com ...... JavaScript strict warning: https://alpha.trycarbide.com/, line 603: SyntaxError: test for equality (==) mistyped as assignment (=)? fault....
That is clearly a false positive.