Not all crypto is this scammy. That’s for sure. Monero is actually used as money and people buy items with it on a fairly regular basis. XMRBazaar and MoneroMarket have ~2900 items and services you can purchase directly with Monero and that number is growing at a steady pace. Plus there are business directories like Monerica that have more businesses listed.
As somebody mentioned below, subscribe to communities you find to be of interest and then set your default mode to subscribed so that you only see those that you’ve actually subscribed to and that goes away a lot. Only browse all if you absolutely run out of content and are still looking to read.