Honestly Aradia, if you attempted to train one yourself, you would understand why many trainers choose to leave them in the PC instead. Unless you have the patience of a saint, of course.

[Because if it's not the horrible monster it turns into being a factor, the amount of effort it requires to train a Magikarp is the next worse thing.]

Likewise, I did not know there was another Jade amongst us. I will have to remember to specify in the future.