Compare apples and apples.
Compare bfa s2 and wod s2 and mop s2 to slands s2. Do not compare final seasons to season 2. Final tiers are always longer. If thise final tier was 1 season it would be 40+
Bfa s2 was 22 weeks. Slands s2 was 32 weeks.
Legion s2 was 15 weeks.
Wod s2 was 20 weeks.