A house

I’m rebunking it right now

It’s the opposite. You don’t go in circles with the right technique (J stroke etc)

It’s totally doable and not harder than switching sides constantly. You do a J stroke or an arches stroke and can steer left and right while keeping the paddle on one side.

If you switched, you’d dribble with every switch and lose time. Also you’ll be swerving constantly.

If you stay to one side and to the correct technique, you can correct course with every stroke and still move forwards.