On the contrary, it comes off as very professional. All other companies would hide this, they would show off a very cleaned up post-mortem and say "problem solved" and that's it. Ok so what does that mean, does it mean the process will change for the future or that they just fixed it for today?

This is also an awesome advert to see how they work remotely all together and I'm sure they're hiring for DevOps people now ;)