Exactly, the same could be said about asbestos and cigarettes back in the day until the manufacturers couldn't hide the truth anymore.

I assume the tubing part is the Bowden tube? I don't think that will become much warmer than ambient temp.

Nah, for any functions I've missed there has been a Firefox addon so far. My fave QOL addon is Tree Style Tab

Then you want to hide the horizontal tabs bad in the top, with an extra CSS file in the Firefox folder. Instructions here