They're also very flammable, so a quick shot from a fiery cantrip sorts them out once and for all.
Indeed. But why should you have to do that? It takes time and your action. Was it worth that time and that action? Did they hide anything important? Did you learn anything?
No.
It artificially lengthened the game and prevented you from doing what you wanted to do in the first place. Like stepping in dog poop in real life.
Vines suck.