I do agree that it is not an easy thing to do, but I for one would welcome it.
Now for the power decrease, some will be regained by making some of the past season themes permanent. Which means they will be the same non season.
You brought some very interesting aspects. I hope these are taken into consideration.
PS Your just had to bring such a great idea AGAIN about the legendary gems… I was quit satisfied with my little input. DS
,chuckling