If some junglers have few bad matchups in the jungle, why don't people play them?

: Lack of any ranged capacity, no way to bail out of dangerous situations, heavy CC takes a short while to apply, falls off late unless well-fed.

: Lack of mobility, lack of any ranged capacity, VERY prone to kiting, falls off late unless well-fed.

: Lack of mobility, only CC is a easy-to-dodge skillshot slow, rocky early clear.

They're also all very individualistic and self-driven, and the Meta currently favors more Junglers who can help their teammates better than they can help themselves.

We're in a team fight meta right now and the three junglers that you chose to ask about are pretty useless in 5v5 battles. No range, a bit more squishy, and lack of utility/CC make them less of a priority pick to the higher priority junglers. It's important that as a jungler (especially this season), you are able to contribute a lot in the late game team fights.