Sure you cant, that is the point. Guerilla triggered by Invis/ShadowWalk/Sneak has similar cooldown. (given by those precursors) That is the guerila is not every round flat bonus but BURST damage .
Hide --> bank up AP --> Get to position --> BURST.
That is Guerilla.
I don't think it's a great idea to nerf skills NOT on their own merits, because the skill itself is too good, but because they might be a bit more powerful when combined with a Talent. What if that Rogue doesn't take Guerrilla? That's a valid playstyle isn't it?
(And does Lacerate's damage even stack with Backstab? I heard that some skills do and some do not.)
