It's clear to me they were a team of amateurs and maybe interns because anyone with a smidgen of experience... or perhaps anyone willing to listen to an ominous gut feeling... could have at least set up a separate dev environment. Or have just thrown up a VM with a cron job running pg_dump once a day.

Their technical takeaways are good (at least they learned something from this), but that last paragraph is hilariously unrelated to the rest of the article and reads like the typical braindead LinkedIn post.