"[A] private company enforcing their TOS" is a disingenuous characterization of the issue. A de-facto public communication platform -- the "consumer product" in your 'technicalities' world view -- is obstructing disemination of expression.

Unmarked officers of the state grabbing people off the streets is not acceptable, either.

Both are features of mickey mouse states, the world over. There are various assumptions we make, when we try and make sense of the world. Most of these assumptions are based on good faith. Suspending disbelief regarding the unspoken possibilities for actual dynamics in play affords the insight that the above 2 items are not necessarily at odds for some interested actors.