"easily covering my rent of 389€" Not too many people in the US enjoy a rent as low as $(389x1.22). Or "paid 1600€ for my RTX 3090". Seeing a lot of articles

"easily covering my rent of 389€" Not too many people in the US enjoy a rent as low as $(389x1.22). Or "paid 1600€ for my RTX 3090". Seeing a lot of articles extolling crypto-mining for Joe Six-Pack lately, what's going on?