Replying to
@noisytoot@berkeley.edu.pl @rakoo@blah.rako.space @aronowski@furry.engineer @mrmasterkeyboard@mastodon.social @lumi@snug.moe
According to RMS, it's Free Software is the user has all four rights. Not the general public. See nuclear submarine software for the example I think he uses.
As for restrictions. Wait till I tell you about #PayForFreeSoftware that'll really make your eyes pop. Probably not through licenses though, that stuffs overblown and besides Microsoft knows real control comes from channel control.