Striped wolves only spawn rarely and only in packs of 2

Striped wolves are meant to spawn in larger packs of 4 to 8 in Wooded Badlands, but they only spawn in packs of 2, and only very rarely.

example:

Seed: -5691128940378370514
Coordinates: /execute in minecraft:overworld run tp @s -56900.00 111.00 -10936.02 -2227.42 27.00