I don't
like BB16 but it was the first Ch5 series to air on an Irish channel. Not every Irish television has Ch5 and the original on Ch4 was always much more common in Ireland. But the inclusion of BB16 on an Irish channel was kind of a big thing for me at the time since I hadn't really seen a BB series in full at that point since BB11
So because of this, BB16 has always had special nostalgia for me for being the first to air on an Irish channel. Along with this even though I understand people's grievances with it, I still found it to be a pretty engaging series the whole way through; albeit the reliance on twists.
Similarly, BB11 was the first series I saw proper since before that I would've been too young to fully grasp the enjoyment of the show. But when this series aired I was around 10 or 11 so it interested me much more than the preceding series (even though I did see most of BB7 when it aired)
CBB8 hatred I've always found pretty OTT. At its worst I think its just a weird series and disappointing evictions but it's harmless honestly. Sometimes light-heartedness is a good thing and in CBB8s case extroverted personalities like Sally, Pamela, Tara, Jedward, etc. lightened things. I think it helps as well that's a rather short CBB series because if this was a regular series I probably wouldn't like it. None of the cast particularly bothered me either aside from Bobby and Lucien. I wouldn't say I liked it since it's still nothing special but I don't think it deserves the scorn it gets most times it gets brought up.