[sv12l]

If data is central to your business, in all likelihood it will be, and you care.

[calcifer]

This is not a useful or constructive comment with its unstated argument of "only idiots use mysql". It's sarcastic flamewar bait.

[guiriduro]

No, its just the TL;DR version of a longer argument demonstrating MySQL's ability to lose, truncate and misinterpret data and ignore commands and thereby create false expectations (like, your data is validated and safe). PostgreSQL takes far greater care over data.