Raiding is also suffering under the same restrictions of 15 years ago, while other forms of content (notably M+) are much more generous.
Doubling the number of loot drops from all raid difficulties would be a good start. They needed to do that in BfA; they reduced the number of drops, instead. Then they wonder why fewer people are raiding, these days.
Weekly lockouts should also be on the discussion table.
Mythic end spreadsheet bosses are another issue.
And for god’s sake, reduce the amount of trash. Good lord.