Because BTCs lacks a spending culture (for better) and there is a risk someone gets it identified through mistake or surveillance which helps reconstruct money flows if meta data gets added.

Many herer have great opsec, but even with you guys I wouldn't do deals in BTC.

Sure, small payments with LN, but nothing significant.

People seem to agree. Decentralised P2P market "RetoSwap" does x3 volume on average after one year vs Bisq after 11 years!