Exactly, nobody bothers checking what kind of queries the ORM produces. The stuff works on dev (with 1% of the data prod has) and they get merged. Then it goes

Exactly, nobody bothers checking what kind of queries the ORM produces. The stuff works on dev (with 1% of the data prod has) and they get merged. Then it goes to production and everything grounds to a halt because some bit in there fetches a 100M row table that was 10k rows in dev.