Free speech means that the government doesn't go after you. It doesn't shield you from consequences (which you may or may not agree with) from private parties.
What she says isn't necessary untrue, now is it? She just skips a lot of steps most people have no clue about.
I had files in a cabinet, now they are digital. And most often also on a cloud drive, which is metaphysical in some sense. For most it is indistinguishable from magic.
While 80 characters is obviously quite short, my experience is that longer line lengths result in much less readable code. You have to try to be concise on shorter lines, with better phrasing.
I do not get the feeling that using WhatsApp was the source of the disciplinary measures here, but rather the racist contents they shared there. So to be fair to GP, this could be much more prevalent.