It is something from a different age, when technology was in its infancy and when the war was a very recent memory.
Now it is something that just allows petty nationalism and/or hatred of some countries to have an outlet. Even before Brexit we never came close to winning, yet music from British artists sells by the bucket load across many parts of the continent. Just go into a record shop in France or Germany, for example.
Our licence fee can be better spent (or reduced), and if there are still is a demand for it, then one of the commercial channels can broadcast it.
AIBU therefore to continue to boycott it?