I don’t understand the logic either. There’s only 3-4 Holy Priests and 15 Disc Priests who qualify for the seasonal title compared to 100s of Holy Paladins.
The issue with healers this season is they were largely overshadowed by the god comp and how powerful Holy Paladins are.
Here’s the stats over the last 2 weeks for +25s…
Holy Paladin - 27,174 parses
Disc Priest - 7,046 parses
Holy Priest - 2,764 parses
Resto Shaman - 2,750 parses
Resto Druid - 1,870 parses
Mistweaver - 1,108 parses
Pres Evoker - 464 parses
When you push it up to +28s…
Holy Paladin - 12,718 parses
Disc Priest - 1,508 parses
Holy Priest - 174 parses
Resto Shaman - 328 parses
Resto Druid - 286 parses
Mistweaver - 102 parses
Pres Evoker - 42 parses
I literally see no reason why there’s not still going to be a Holy Paladin meta next season because they haven’t been nerfed down that much in the patch. They actually got single target healing buffs.
Priests had their utility nerfed which pushes them down the totem pole. Disc will probably still be popular, especially post-update, but the 2nd cousin to the Holy Paladins.
Pres Evokers aren’t going to get into keys simply because Aug Evokers overshadow them. That also makes it harder for Resto Shamans to fit in if the group has a heroism.
Bear Tanks are probably going to still be S-tier. That limits Resto Druids viability since you’re overlapping.
Then you got Mistweavers and Holy Priests which don’t really have a niche in M+. Holy Priests should have been elevated up to be the single target pumpers like they were in Shadowlands. Right now they’re not.