Hi, that last sentence is somewhat true. TK and shooting both have their strengths and weaknesses. The important part in mastering the gameplay is managing your TK cooldown and transitioning between TK/Gunplay.
The game didn't get a ton of YouTube coverage upon first release (small title from an unknown really) but here's one YouTuber beating the first few levels:
Essentially, there are levels that favor Gunplay over TK and vice versa, the first level is there to display the need for both. Hope this helps.