Good on them, I guess.

This kind of thing can never be removed from Windows because somewhere there is a Fortune 500 company whose entire IT infrastructure is precariously balanced such that it relies on this obscure feature – or some other equally rickety legacy Win32/16 API crap – and if it ever goes away their business will collapse and they’ll sue Microsoft for a billion dollars.

So mamy cellular modems are going to break. That’s what you get for sticking to a shitty „standard” made by a corpo known from their shitty work.