It's different when you show something to someone with intent. Of course they will pay attention. Especially your family, come on.

I'm talking about random day to day browsing when you stumble on something random on the internet.

Sounds like you're just a low-engagement user tbh

According to conversion rates and engagement metrics of most apps I've seen (not even mentioning social media where 2-3% engagement is the norm) most users are ¯\_(ツ)_/¯. Unless said app is a work/hobby tool, but that shouldn't be really called engagement.