The least desirable M+ spec?

[Thequixote-staghelm (Thequixote)]

Worst performing DPS are:
21 Feral
22 Outlaw
23 Affliction
24 Assassination

M+ DPS Balance Per Spec 9.2

M+ DPS per spec for +15 dungeons as of 5/7/22 Pos Spec 9.2 Avg 9.1.5 Avg 9.1 Avg %C %T RIO 1 Survival(11)(17) 17,747 9,459 7,743 +87 100 3671 2 Destruction(20)(18) 16,895 8,296 7,595 +103 95 3681 3 Fury(3)(4) 15,565 10,581 8,754 +47 87 3542 4 Marksmanship(4)(2) 15,478 10,176 8,973 +52 87 3486 5 Demonology(23)(23) 15,329 7,773 6,864 +97 86 3439 6 Windwalker(1)(1) 15,276 11,698 9,317 +30 86 3523 7 Subtlety(10)(11) 15,109 9,681 8,193 +56 85 3683 8 Frost Ma(2)(6) 14,242 10,624 …