I’m sorry but scenes basically saying “slavery is fine” is not a matter of liking.

Mind citing the scene? Because I do not recall ANY such scene in Enterprise.

Most of my points are not about liking or disliking episodes, but about factual problems that the show has

No, most of your points ARE about liking or disliking it. You listed two objective complaints. Those being the hyper sexualization and the filler episodes. Everything else is personal opinion or misunderstandings.