Warlocks in Destiny 2 are great for loads of things. Healing? We got that. Awesome PvE action? Sure! Warlock Mobility? Severely lacking.
An opinion piece about Warlock Mobility in Destiny 2 written by Jordan from The Nerd Stash.
Source: N4G PC 10 Years Later, Bungie STILL Hasn't Improved Warlock Mobility in Destiny 2