It's an awesome thing to do. Our whole family were bussers, from a very early age (as the oldest, mum was still at home when I started, but I caught the train from Year 3) My little bro caught a private bus from first year of school onwards. It's a massive social experience, it will fuel his independence and even his self-esteem to be so grown-up. He'll be more comfortable with PT as he gets older, unlike all those PT snobs out there who "couldn't possibly catch a bus" (I could start my own vent thread on them)

You are definitely not a heartless ogre. You're an adventure and confidence inspiring mother.