If all governments do that, it will instantly raise humanity’s iq and eq up a notch and help govt get money too.
I have decreased my own personal usage by adding a "time tax" — I always log out after a brief session on Twitter/Facebook/etc. I also use 2FA everywhere so there's extra friction in logging back in. That extra 30 seconds of effort can be enough to say "nah, I don't need to check Twitter twice today".