[This takes place in a kind of what if scenario- in episode 3, instead of Tails being rescued from UT's "translation", the crew takes the message at face value]

After a few years of working for Eggman without Sonic coming to save him, Tails has slowly become jaded and transitioned to Eggman's side, even reverting to his real name. He's not the nice little fox he was before. Not anymore.

Miles: What do you want? I'm BUSY.