Originally Posted by
commo_soulja
1x drivetrains on mountain bikes just make sense. There's just too much gearing overlap on a 3x and 2x drivetrain and you simplify and lighten up.
^^^This.
Plus one less shifter, cable and derailleur to maintain and adjust.
You can't even give away a front shifter and derailleur these days. Nobody wants them. I tried in 2016 when I converted my bike from 2x to 1x. I ended up throwing the parts in the trash.