Latest data say no but we're just now approaching 1 year after it's development, so we don't know how long it will last.
https://www.nejm.org/doi/full/10.1056/nejmc2103916
You're the one making a huge deal out of the CDC changing their guidance. Oh no, I have to wear a mask again.
If people are really that upset over them, I'll expect 10s of thousands to be marching on their state/local government offices demanding they be repealed.