What I mean is that every single EA, just like any trader, has both wins and losses. The thing is that for a good EA the total amount of wins exceeds the total amount of losses. However, you don't seem to realize even that.
Here, you can check out my account with Alpari UK in the read-only/investor's mode if you wish:
1. Download the free Alpari MetaTrader4 platform at
http://alpari.co.uk/mt4setup.exe and install it on your computer.
2. Connect to the account, using the following data (to connect, go to "File -> Log in" in the MetaTrader4 menu):
Login: 380601
Password: 6hguznx
Server: Alpari-Demo
Let's see what you have to say now.