Sure it seemed like a stupid tactic. And under the command of anyone else it probably was a stupid tactic.

But combined with the Mandalorian art of flipdartting, and it wasn't so stupid after all. Flipdarting consisted of moving from cover to cover in an almost random fashion, and often bypassing cover to continue running in an attempt to through the enemy off.

It worked quite well on the opposing clones, and The Privateers closed on the forward most AT-TE. The infantry that were coupled with it were quickly disposed of, s Keq climbed up the front leg, hacking away at the entry hatch with his axe.

"Grorg!", Keq yelled into the dark night. The wookie pulled itself up onto the AT-TE, and grabbed the weakened entry hatch, wrenching it from the AT-TE.
Keq climbed in, and after dispatching the crew in one fell sweep, sat down at the controls. Several other Privateers piled in, and began to get to work at the various stations.

"Alright. This thing can't be too hard to drive....", Keq remarked, taking a firm grip of the controls and beginning to swing the AT-TE around to confront the tide of soldiers.

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He who goes off to fight monsters must make sure he does not become a monster unto himself. And when you stare long into the abyss, the abyss stares back into you.