Why are there so many SR3 giveaways?

As they're region restricted, to some part, they're not allowed.

Swap your brakets round next time. [text][]()(link)

I think that's ridiculous. The disclaimer on Humble Bundle website says the games are for personal use. People want to pass on the one game they already have, how is that ban worthy?

It's referring to the single key in the bundle.

Saints Row The Third has a problem with the region restrictions which is why it can't be given away like Cha0sSt0rm said.

not everyone know about HB. Stop be rude

Personally, I would prefer a joke when leaving. That way everyone would be still laughing when you close the door.