One of my most frustrating games ever was with my woodies against goblins who had at least 6 sidestep/diving tacklers. and some nasty trolls, of course.
I couldn't do a thing. None of the usual tactics worked against that team, and the unusual ones often required so much luck...
OF course, the fact that I started that game with 8 elves, 4 of which were catchers, meant that I couldn't just "block the goblin instead of dodging". especially not if I wanted to get the ball to move.
'Course, the fact that a Wardancer got BH on his first dodge away from a DT'er didn't help either
so yeah, it can be a valid tactic... In the right circumstances.