Clickbait

This may be a stupid question, bear with me.

I’ve stopped following many influencers and am curious… is the clickbait cover photo a normal practice? If you go to M’s Instagram feed, you can see in most cases the pictures she uses as her cover photo for ads or videos have nothing to do with the stupid crap she’s currently schilling or the stupid shit she’s doing. So a post of with a cover photo showing some food item is actually an ad for Levi’s.
It feels right up M’s alley as far as unethical behavior, but I’m just curious is it common or is it just her way to get people to click on her ads and videos for views?