Many forces' kids would disagree with you. Friends of mine were in Mauritious with the Navy, their daughter was born there, but that doesn't make her Mauritian, any more than Harry Webb (Cliff) is Indian.
Why, when people do well at sport, do people accuse their parents of being pushy? Andy Murray made the decision to leave Scotland aged 15, and go to Spain, and Judy was quite sad about it.
You forgot Jamie Murray btw.
It's the same old British attitude of build them up, and then knock them down.
She came here as a 14 year old, so went to school here, and took out British citizenship. She has a British passport, and calls Britain her home.
https://www.nytimes.com/2016/01/28/sports/australian-open-britains-johanna-konta-credits-mind-set-for-rapid-rise.html?_r=1