But even if all of your 10000 identities are innocuous, perhaps disclosing as many as 10000 identities itself get get your visa rejected.

That's an excellent point.

So if you're going to have numerous identities, it's best to do it right. And maybe then not disclose them.

But still iffy, if you know that you'll likely be emigrating.

So is PornHub considered a social media?

That's not true. It is indeed expensive to buy a house, but rent itself is definitely very cheap. This is of course a clear sign that the property market is a bubble there.