Because it's the industry standard when you need to work with more than one person. Most other offerings don't scale with team size/production pipeline like Pro

Because it's the industry standard when you need to work with more than one person. Most other offerings don't scale with team size/production pipeline like Pro Tools/Media Composer. And there's a certain class of professional who resists change/upgrades at every turn, specifically because of stuff like this where updates would typically break everything.