"Also ,the reason ethereum came about is that when vitalik was...

"Also ,the reason ethereum came about is that when vitalik was working on bitcoin in 2013 he wanted to create smart contracts on top of bitcoin he was told that they were spam.
How did that work out???."

Quite well actually. I'm glad that Bitcoin doesn't allow more complex contracts on chain creating an enormous attack surface while creating a bloated blockchain that becomes centralised. Far better off waiting for MAST so that the bloat can stay off the chain.