Why so many Forex Robot's

With so many Forex Robot's on the market the Question is Do they really Work.
Well Ask your-self Would you allow a Computer Program To Trade your hard earn Cash away-Thats Not to says EA's Don't work or can't be usefull.
So as a long term traders, or some one coming in new to the fx, it's up to you.
Share your thought's on FX Robot's.
Many Indicator's Work-but too many will tie you down-and you will miss the really action.