Yes, its okay but I don't know.

I wouldn't trust anything without a real brain! Hahaha. Forex robots can do calculations but I doubt they can create real judgment calls.

Many traders forget that Forex expert advisor is just a robot, a code which has been written by a human to carry out market operations. It is not a problem to download an advisor, but it is impossible to make it think like a human being, at least for now. So, trust but verify (on demo accounts)!

Absolutely.