Google/Youtube is not the public square. They’re afforded the rights to admit or deny anyone, for any reason.
That said, it reeks of facism and censorship. They’re clearly worried that their beliefs can’t withstand the airing of contrary view (dissent). “Shut up”, they explain.
As with other media, we need alternative, conservative outlets that minimally allow, if not promote or champion our views.
If Google/Youtube is not the public square and they can deny anyone for any reason then why do Christian bakers have to service gay clintele?