wedgington if it is that one (which I had seen), then I don’t see too much of a problem. The advert is about community, it’s not about thanking the essential workers.
BAME people however do make up approximately 13% of the general public across the UK, and obviously in major population centres make up significantly more.
I think that advert was incorrect in not including any BAME people, but other giffgaff adverts have featured a healthy mix of people from all backgrounds.
That being said, I’m gay and I found this advert for Robert Dyas cringeworthy: