You ask an irrelevant question and then announce your distrust before anyone has even answered!
No one gives a flying fuck if the next person is profitable or not.
Go figure it out for yourself. There are no shortcuts.
Look for hedge funds that only trade forex. Look at their rate of return , sharpe ratio for the last 10 years. Hint you not going to like what you see. Probably less than 10% annualized unlevered.
these are hardend veterans with the best news flow, broker relations and that is all they are making.
You do realize people don't have to answer your question huh?