RTP is a long-run average: 96% RTP means a 4% house edge, not a guaranteed loss...

https://www.quantifiedstrategies.com/rtp-variance-and-expected-value-applying-a-quantitative-framework-to-online-casino-gaming/

RTP is a long-run average: 96% RTP means a 4% house edge, not a guaranteed loss on every £1. Volatility describes how uneven results can be. Over a short session, wins or losses can differ sharply from the average, so don’t treat RTP as a forecast.