btrfs is depreciated in redhat distribution
https://www.redhat.com/en/topics/linux/fedora-vs-red-hat-ent...
On the other hand isn’t btrfs becoming the default in Fedora 33, thus eventually making a comeback in RHEL?
It's also noteworthy that the BTRFS change was driven by community members, mainly from Facebook.
So if you want to use Btrfs, you might as well use it on something besides RHEL.