yes always 'regarded ' as but there is no truth in this rumour liverpool is no more 'protestant' than everton is,just like rumours spread by people like you that black people have aids same sort of thinking.. You need to come up with your facts mate you are the one that goes on about facts,
Lets keep the talk about football shall we instead of talking about Blacks. There is no real evidence to suggest either team has any real links with either Glasgow Clubs, so there is no real answer. I was born and brought up in the City, am catholic and if anything I prefer Celtic to Rangers having said that while i was growing up Everton where always seen to be the Catholic Club and were linked closer to Celtic than Liverpool, even there famous song of on the banks of the royal blue mersey mentions,
" So to hell with Liverpool and Rangers too
We'll throw them all in the Mersey
And we'll fight fight fight
With all our might
For the lads in the Royal Blue Jersey"