It follows, that this is a ligitimate profession. There is no reason for entrepreneurs and other ambitious, creative people not to engage in this profession.
Anybody with a functioning brain will expect this profession to grow.
Actually, it's not much different from the legal profession in the U.S., and it's about as respectable.
If the British people don't like it, they can always elect different politicians; however, there is no reason to suspect that they don't like it. Apparently they do. So it's only a problem for non-Brits who visit the U.K., but they can avoid doing this.
What's the problem?
Problem is, they don’t really have any viable political parties willing to extend Brits the rights to arms and self defense.