Why do many Buddhists hold on to views?

I am not very experienced with Buddhism, but I do think I have read several suttas teaching that it is not good to hold on to views, and that the Buddha doesn't teach what the universe is like, but rather about the mind. I think this makes sense, since I experience that any clinging, even the mildest one to a view, causes discomfort. Still, I see so many Buddhists cling on to views like rebirth or karma: Many Buddhists that I know make it an important part of their lives, and I see many analyses about Buddhism describing it as central to the belief. Is this just the natural human desire for certainty putting forward these views, or are there any teachings that actually promote it? If so, what arguments do they use? (I am not precisely asking for the psychological factors behind this clinging, but rather the ground; the teachings, that are behind it) I am asking for teachings that imply that these views (rebirth, karma etc.) are important and that it therefore is skillful to hold on to these views.