Why do you think that is exposing?

Because the dictionary does.

4. to present to view; exhibit; display:

The storekeeper exposed his wares.

Next question

What is that exposing?

And some be saying exactly this while exposing themself like that.

Did you even read what I wrote? It’s really not that much.

why do you think that is a problem?

Where did I say it was a problem? Quote the exact part of my response where I say it’s a problem.