I seen Darthjt mention this as well as others have said it, And ive thought about it plenty.
I wish KI would allow us to feed our pets snacks anytime even when not playing minigames. It would even be nice if you had to go to a certain area like pet pavillion just to feed but not have to play a game to do so.
This as well as other ways to train have been suggested since the pets started getting good talents that are of more use in battle. It hasn't changed yet and I doubt it will anytime soon if ever. KI has given the players a lot of things that have been asked for and this is just one of them.
When KI does give us things that have been asked for, you can rest assured you will have to work for it.
I believe Professor Greyrose has a slogan at the bottom of all her posts saying: