Smaller linear rail better than open V wheel

Linear Rail : Really Better or Just a Hype? linear rail vs v slot Mark Carew designed and developed the first all-in-one modular linear rail that incorporates an internal V shaped track paired with self-centering V-Wheels linear slot diffuser ขนาด Today we compare linear rails and rods, and how they can improve the quality of your printer's

linear slot I'm curious if anyone here has thoughts on utilizing something like MGN15 linear rail and carriages for a 3000mm Y axis rather than V-wheels