Weight painting question

[MicroSRB2]

So i am continuing my little ripping for Chex Quest HD, and Flembrane's default weights are Blender Auto-Weights. in other words, they stink, You just don't see them in the game's animations becuase he barely moves. Am i supposed to fix this before submitting the model? or do i just leave them as-is?

Kind regards, Micro-