In my experience matte filaments hide the layer lines much better. Between that and the overall quality of recent printers like the Bambu or the Prusa Mk4, I don’t find the need to do any post processing.
I do want to challenge you on this. I don’t have evidence matte filaments are better. I would love to see an example of these filaments outperforming. I believe it is true, but would love to see a demonstration!
It isn’t really that they’re better as filaments, it’s just that the matte nature makes them less reflective and therefore you don’t see the layer lines as much.
Performance wise, most matte filaments are more brittle and have worse layer adhesion due to the matting pigment, but do a good job at hiding lines as the reduction in specular highlights reduce the visibility of them. Another good trick is fuzzy skin setting with both length and depth settings at 0.4x-0.8x layer height.