winning strategy

Yes, playing Forex you will lose money and winners don't become a millionaire.

Forex is closer to gambling than finance

The success rate of classic forex traders using classic broker are low. US-based companies must publish the "number of people who really gain money using Forex" and rates are more than low.

Just check the public communication of FXCM for example 

Focus on Lausanne portfolio : +12.99% in 3 months with a 10'000 USD live account

lausanne,portfolio,3 months
we will focus on the result of the portfolio, Lausanne, which made a +12.99% with 2.80% max DD in the last 3 months : It's the third month this portfolio is running with X112 and GBPJPY as basic strategies.