I always thought it was stupid that Tor Project left javascript on by default in Tor Browser. I really question a lot of choices that they make in the name of making their software more user friendly. Leaving javascript on to "hide your browser fingerprint in a larger crowd" might turn out to be about the same as wrapping a rope around your neck , tying it to a fan, and jumping off a chair, because you don't want to step on a tack on the floor.