I have a whole set of Lee filters - Hard, Medium and Soft grads, a Little (6) and Big (10) stopper and the new polarizer and filter.
While I fully understand that my camera (Canon 5d4) has pretty good dynamic range and I can easily bracket snd merge later, I like the process of using filters. I work in IT and spend all day on computers, so for me, landscape photography is my escape and I'd rather get as much right in the camera as I possibly can. I typically spend around a minute or two processing each image in lightroom, doing just very minor tweaks.