Because everything is just everyone exploiting everyone else. Yes, they know you won't engage with it, but they can still sell it as an impression to advertisers as if you did. Everyone gets screwed; we get a shitty web experience, websites have to load their pages with unnecessary bloat to survive, and corporations are paying for advertisements that get clicked off in under a second. Literally nobody is benefiting from today's Internet. The enshitification is quickly reaching critical mass