What? No it’s not.
If something is so grossly offensive/inflammatory as to be illegal, then yes, Something Should Be Done, but if something is merely “not the sort of material that people would want to see or receive”, that’s a matter for those individual people.
Not me, as it happens.
That’s the point: what’s allegedly missed by “many” [citation needed] shouldn’t dictate the situation for all.
Guidance and policies such as tax allowances for certain activities, sure, but arbitrary censorship? I haven’t voted to surrender my personal responsibility and choice.