Yep. But there are a few viable alternatives. (listed in order of viability.) 1. Trade FX futures. Especially the EUROFX on CME's Globex. 2. Use an ECN style broker who merely passes your order on to a Liquidity provider (bank) for a small fee(commission). 3. Use multiple accounts with different Market Makers to increase your odds of success.
"The retail trader always pays the bid/ask spread, which makes his odds of winning less than those of a fair game, though all traders, regardless of what market they trade, also pay this spread." incorrect
All those tricks the article cites are in every market makers playbook. I'ts just a matter of timeframe.