Acceptable, yes. But a good manager knows not to shine a spotlight on the mistakes of the team. There’s nothing to gain keeping it public that you wouldn’t also gain by keeping it private. But your team’s morale is kept high if you sing their praises instead of their shortcomings.
So two wrongs make a right? Or could this have been a civil private email instead? And if civil private conversations aren’t working, then it’s time to part ways.
OpenSUSE does this as default, which is laudable. Mint will only use Btrfs if you manually tell it to, it just handles it gracefully once you do choose to use it.
Sounds like my experience with QNX 6. It was fun for a while, especially with the microkernel novelty. I could kill the mouse driver and bring it back to life. It was interesting to have that on a 486 with memory corruption issues.