IIN for an asshole to virtue signal on social media?

I use facebook for the messenger sometimes to talk to people I know that like moved away.

I found one of my ex's friends on there that's like that. Never seemed like a bad person in person, don't know her to well, but lately Ive had more nothing to do than usual and I keep looking her stuff up. Just because she tends to regularly put up these long boring self-satisfying rants about how she's basically better than everyone else on the planet. How responsible she is because she works 90 hours a week while piling up massive credit card debt buying dumb shit on amazon, how much more important she is because she's a nurse in a hospital and everyone else is an asshole. It's not a good look.

I think the reason people get so addicted to that stuff is the ability to create a persona for yourself to show off to people you don't see regularly, and a lack of awareness as to what you're actually making yourself look like.