The EU would have to put the US on a list of "foreign adversaries", with whatever political fallout comes from that. Not saying they shouldn't, but there will be downsides.
Since controlling these platforms is probably the best ROI for swinging public opinion, I'm sure it's a matter of time before they get seized (one way or another) and redistributed to reliable political allies.
Since controlling these platforms is probably the best ROI for swinging public opinion, I'm sure it's a matter of time before they get seized (one way or another) and redistributed to reliable political allies.