No, it doesn't matter whether the signals are false or not!!!

He can increase lots on each loss trade, and win at the end!!!

Anybody can make any method work!!!
You have a couple of options:

1)Trade it good
2)Trade it opposite
3)Trade it good with good money management
4)Trade it opposite with good money management
5)Trade it good with doubling lots on each loss
6)Trade it opposite with doubling lots on each loss

ONE OF THESE WILL WORK FOR YOUR METHOD. TRY IT!!!