The point though is that you lose a set of guarantees with MySQL that you don't lose with PostgreSQL. Yeah, computers make it possible to make more mistakes fa

The point though is that you lose a set of guarantees with MySQL that you don't lose with PostgreSQL. Yeah, computers make it possible to make more mistakes faster than any invention since handguns and tequila but when you lose the ability to guarantee that your declarative constraints are actually followed, you lose the ability to prove that certain types of errors are not being made. That's a big deal.