Asylum means no such thing. You are free in law to claim where you like.
Most UK asylum seekers are from former British colonies or former or current Commonwealth countries. Many learnt some English at school. Many also learned that the UK was the Promised Land. They may have family here.
I would try to go where I could make the best chance of success, wouldn’t you?
As their ancestors paid the price for Britain’s success, I do not begrudge those with genuine claims in the least.