Growing up in the UK, everyone I knew used it for VCRs, DVD players and digiboxes. It always made a notable improvement over the RCA jacks, and I longed to get the SCART cable for my PS2 (never did). Famously bulky and stubborn with their wires joining the connectors at an aggressive 45° angle; I never had one go bad on me.
I've read that it could even do HDTV in theory because it had YPbPr lines, but this was was never seriously attempted/rare in practice.
As an American I never knew about it until it was mentioned one day on a forum on the internet I was reading.
Other than the crazy size of the cable, seems like quite a big improvement over our random assortment of cables we went through over the years with composite -> s-video -> component.
It remains fascinating to me that even today if we boarded flights to each other's countries, there are still many small things that would need explained.
I would first be shocked to see the smaller two-pronged electrical plugs in the flesh. Then I might be in trouble with the law if I walk across a road. And finally lose my mind over the fact that asking for 'tea' gives me something else entirely!
The fact that parts of Europe have a "freedom to roam" (if I remember the term correctly) is just insane to an American. How could you _not_ be trespassing?
I've read that it could even do HDTV in theory because it had YPbPr lines, but this was was never seriously attempted/rare in practice.