A big reason why it's easy to make money on-chain is

These P rookies

P doesn't outperform second-tier professional market makers

P doesn't outperform professional traders

P doesn't outperform first-class project teams that once could pump on Binance

But

P's winnings come from inexperienced new and old investors

P's winnings come without professional tools to analyze addresses and tokens

P's winnings come from third-rate developers

P's winnings come from you