Why were the ''Wild Geese'' so based?

Historically even people who hated the Irish like Lord Mountjoy and James II admitted they were good fighters.

For the same reason you find Chechens around whenever there's a conflict in the Muslims world.

If your state fails hard enough, you can actually make a living out of fighting, which you would be doing for free anyway.

This is also why Pakistan, Sri Lanka, and Guatemala contribute so many UN peacekeepers.

You know that dude who beat Napoleon at Waterloo?

Born in Dublin.

Irish soldiers best soldiers.

Half the British Army was usually Mics.

Shit look at the US Civil War.

Tons o'Paddies on both sides.

Celts generally don't have a reputation for being afraid of death.