Fitness tracking issue on my Apple Watch

I thought Apple Watch were supposed to be the best in fitness tracking watches, but daaaayum, what is this?

I literally woke up, got my stuff, got on a cab and then got on a train. Why it thinks I did 11 minutes of exercising when I didn’t even opened the workout app?

This watch’s self-determination is so annoying and frustrating.

and before you guys say, I did all those reset and recalibration things several times already, yet the issue persist

Maybe there are better watches out there?

[Re-Titled by Moderator]