I soak too, I’d never tell someone not to. But if you’re feeding pellets to a horse who isn’t eating soaked food now, it looks like there’s no need to soak these - small, soft. I soak so powders can be mixed in, no other reason. I raised my 2 foals to eat soaked meals for that reason, and then any other benefits are just nice by-products.
The fatties don’t get enough food for any water to make a difference, we’re talking maybe 2c. The 33yo used to get the same, but the last couple years decided soaked food is gross. And heck, even if he liked it, he eats so slowly it would take him 2 hours to finish his meals LOL
Soaking is never an inherent requirement. It’s a requirement based on a set of circumstances