JavaScript asceticism is a weird trend that has just never died out, no one treats any other language this way... and "privacy and security nightmare" can be used to describe most of the internet at this point with or without it
I'm not aware of any other language that is layered on top of a perfectly serviceable user-facing content delivery syntax?
I have managed to get 35 years into a sysadmin career without knowing or writing a single line of python. I see a python script, I run a million miles away and wont touch it with a barge pole.
hell, use a browser in a sandbox if you're that paranoid
there are a number of ways to do this securely, at this point it's practically a child's tantrum
but sure maybe it just needs a couple more decades of complaining in obscure comment sections and everyone will finally get it and switch back to mailing lists
http headers and CSS is used for this
flash drives left on the ground outside are used for this