The Hon tag was never official, as Garfield said. A couple of hons just started to use it one day. You can use it if you want to as well, because it's not official.
Once again, I have literally no idea what you're talking about. Next time, a link or something to said post might make your initial statement more easy to identify.
Which would be where you're wrong.
It's saying "Who's tools" because 'online' is being blocked. The correct term would be "Whose tools" (I was making a funny, don't take it too serious). I'm well aware of how to use 'Who's' and 'Whose'.