Somehow I think the sanctions busting platform won't bow to pressure from an Australian morality group. That's the problem here, not the platforms, but the platforms bowing to external pressure groups because they are vulnerable to legal actions and politics.
Anything Collective Shout would want to ban, is already banned there by the site's terms of service. And if you think they won't bow to anyone, there's quite a few news articles about them banning bloggers and news media upon Russian government's request.
And how aggressively do they enforce them because they aren't enforcing the sanctions stuff.
Imagine asking why a platform owned by Russian government is not enforcing sanctions against its beneficiary owner...