Reddit does this, too. It is used to measure sharing something as some sort of analytic/goal on your account for engagement. I tend to just screenshot them now after the annoying middle menu started popping up for me.
I really am not a fan of apps wanting me to engage more with the app when I'm trying to engage with real-life people.
I really am not a fan of apps wanting me to engage more with the app when I'm trying to engage with real-life people.