I think that altcoins are acutally more popular in Britain than Bitcoin is, considering how many of the originate from there!
That's cool that people are embracing the new way of trading. Every new project brings something new to the table, thus engaging in a healthy competition which is ultimately profitable for us all.
What is even better, is that cryptos can popularize several industries that are considered to be full of deceit (like betting), but with the help of blockchain technology, they will be widely spread!