The scousers could be a liability or an asset, but then someone has to stand at the front and get mown down by the initial Highland berzerker charge.

A phalanx of Bootle smackheads would be like trying to punch through a horde of the zombies. No weapons for headshots means the Scots would wear themselves out. If they bought a supply of methadone, they'd probably be able to turn a few too.