Eevees are more important

Good enough

Lemme write that down real quick

Eevee is important though, because if you have multiple Eevees you can evolve them into one for the occasion needed.

Plus, if you have the mutated Eevee in the Pokemon manga that Red has, his Eevee can turn into any type of Eeveelution whenever he wants

eevees are important, as are ivees