My Android phone prevents me from recording phone calls at the request of my carrier, even though it's totally legal for me to do so in my jurisdiction.
I'm not loving where this is all going.
Luckily there are alternatives in the form of code displays and NFC chips. However, next year I won't be able to watch porn unless I verify my age using a smartphone, no alternatives are planned. Or rather, I have the "free choice" to choose between a privacy preserving ZKP solution operating in the kingdom of Google or uploading my face to a porn site.
Dark times.
Of course you can. The AS numbers of major hosting providers are well known and it is already common practice to ban associated IP addresses for stuff that should only be done by legitimate users.