It's not just me and it's had serious problems for years:
https://arstechnica.com/gadgets/2021/09/examining-btrfs-linu...
<- 5Y ago.
It's not materially better now. The devs are in denial about the problems because lots of big users are saying "works fine on my machine."
Sure, if you have lots of backups, if you have huge volumes on huge disks and they never fill up...
But it's the default in Fedora, Spiral Linux, Garuda Linux, siduction and others. Personal distros for people's own PCs and those are not well-supported enterprise kit.