greatly reducing the higher frequencies
One of the few Lps that sounded better than CD - Kind of Blue....until the remastered and pitch corrected version came along.
I think the main reason to buy new Vinyl these days is for the albums that are brickwalled on CD only. There are plenty of them out there...http://www.dr.loudness-war.info/
What is your definition of "brickwalled"?
A "brickwall" refers to the image of sound with no peaks or valleys, just a maximized loud sound - square like a brick