Yes
Yes
No

It is real and absurd but not embellished. The Daily Mail is one of the most right wing and Conservative newspapers in the UK and it finds it astonishing that this could happen.

To reduce it to simplistics.

Rangers are a club who until 1988 had a policy of not signing Catholic players. Celtic were founded to provide food for (all) the poor of the East End of Glasgow - albeit those poor were mostly Irish and Catholic. Celtic have never had a sectarian employment policy. Rangers fans objected to Boruc making the sign of the cross. Buruc has an official caution for doing so.

The US equivalent? A black person walking the street on the opposite sidewalk from three Klan members, The Black person is prosecuted because the Klan man be offended and might want to kill him. A bit extreme perhaps but that is how it strikes me. The bigots win.

And in the land I live in today I need to add -- I am not a Roman Catholic.