I have not read the whole Quran yet. Like the Bible, I’m still working on it. But here’s the thing… Islam does not have a “catechism” of sorts that you can just go to to find the teaching on any particular doctrine or moral issue. The Quran is actually supposed to fill that role as a “clear straightforward” guide for all times. Yet the fact that there are tasfirs in the first place proves this not to be so. Furthermore, there is no definite authority in Islam and so there is no way to settle disagreements among the more prominent scholars once and for all.
Either way, the evidence is troubling. If you try to read the Quran as a straightforward guide to morals, you see direct commands to do immoral things (even though they oftentimes directly contradict other verses). And if you trust the tasfirs, then the main question is “which one do I trust”?