Copying the link will just copy what you see, not the code underneath. It is also trivial for any hacker to spoof an email like that, and as for why - hackers are not rational minded people and it does no good to try and understand them... Most of them are suburban middle class teenage boys desperate for 'street cred' in a 'pseudo-intellectual world' of their own creation.

Truth has no value without backing by unfounded belief.
Renderosity Gallery