yeah, you can change the setting to what you prefer... Don't give up so fast. You may still grow to like it. And it's really best to team up with a veteran to learn the ropes better than the tutorial could ever teach you.
And holding down both mouse buttons lets you steer without changing anything, though that means you should use keys to activate abilities which is probably the better gamer set-up anyway. But I never had the patience to commit all those commands to muscle memory, so I just stick to steering with WASD which works alright for me (except when sling shotting around a sun to time travel , which definitely easier with the mouse