Old exotics or exotics in your collections should have a lower change of dropping, it’s rare enough to get a exotic to drop only to get the same old crap that we had since launch.
Masterworks need to have activities or bounties that reward them, it’s -blam!- the way it is now, it makes no sense making the infusion this extreme, leave all the rest of the requirements but remove or rework infusion cores when it comes to infusing