Brits using "Brilliant" as a casual superlative?

What’s more pompous, casual usage from a very familiar foreign country that speaks the same language, or condemning the use of same as “affected”?

I first heard the term ‘brilliant’ used when I was attending a Brit/American ex-pat church in Munich in the 90’s. One of my friends there asked what I had done over the week, and I mentioned that we had gone camping. She replied “Oh, that’s brilliant!”, to which I was mentally replying “Well, gee, it was nice and all, but I wouldn’t call it brilliant…” I got used to the useage, though. She would also call me her “sweet pet”, which likewise took some getting used to.

Absolutedly, for instance:

adopts casual tone “Have you met Professor Hughes? I love him, he’s brilliant” (= 'he’s great company/a good laugh)

formal conversation “Have you met Professor Hughes? He’s really quite brilliant” (='a genius")

And apparently they Americans don’t use the word “bright”.

As an Englishman, and Public School to boot, I support F.U.Shakespeare’s comment.
In London, in context and contemporaneously, think of Blackadder’s response to one of Baldrick’s ‘cunning plans’.
It’s brilliant.
Think very dry and laconic.
Peter

We do sometimes use the word “bright,” but unless you’re talking about a child, it often comes off as condescending.

Well, let me put it this way…when most Americans don’t use the term in that context at all, and you encounter an American who uses it in that way every 5 minutes, how would it come across to you?

Someone that heard it somewhere and thought it was fun?

Edit:
Then again, I’m struggling to think of anyone ever that would use it every five minutes. Apart from the aforementioned chap from the Fast Show. He’s brilliant.

A bit goofy. But pompous, I doubt it.

I’ve heard it quite a bit, but rarely in non-sarcastic ways. More along the lines of “So yer idea is to just <something silly> ? Well thass fookin’ brilliant, tha’ is”.

I’d actually have to hear him to make an assessment. It could just be that he’s in love with the term and doesn’t realize how often he says it.

I pick up and discard terms frequently and I do get teased by friends for using the Brit terms or laughed at by my partner’s family for some of my American slang. So be it. I’m not using the terms deliberately; it’s just how my mind works.

I’m not doubting that the person may be putting on airs but it could be that he really doesn’t hear it himself.