If there's just one kid throwing up bubbles, it's not a problem. A well-timed saber throw pops the bubble, charge in and root, kill them before they can use one of the many stuns they have at their disposal. But just wait, the nerf is inevitable.
TLDR; I don't have much of a problem against 1-2 lolbubblers. But when there's 3-4, it's impossible as a melee, unless you're lolsmashing, of course.
Which is kind of ironic, since the bubble stun change was mainly put in to counter smashers.