Why do the Irish not dislike people from Scotland, but are hostile toward Northern Irish Protestants

[Graham]

I had a coworker who's a die hard Rangers fan from Glasgow. He has the Rangers logo tattooed on his heart, haha. He said it's 100% still a religious rivalry

They say that when barely any of them go to church. More likely to prey to the queen than Jesus.

[Bobby Martnen]

Because the Scottish are in their own country, where they belong, whereas the Ulster Scots are squatting on rightfully Irish land.