Not quite how football works these days, if you don't keep adding the best, you get left behind and it's clear to see the Spanish, Brazilian, Portuguese youngsters etc tend to be more naturally gifted
They're not more naturally gifted, they're just better trained. When my youngest was 10, he went on a football trip to Spain & told me the 10 year old Spanish kids were ridiculous.
He said they didn't seem interested in scoring, they just kept possession, & passed my son's team to death. This is something Guardiola alluded to when he first arrived, but look at English football today compared to 2016.
The ManUre philosophy of big, fast & strong players, has been replaced by Guardiola's playing out from the back & retaining possession, with players who are more skillful & tactically aware than the average British player 5-6 years ago.
England have benefitted from Guardiola's philosophy. The Premier League has benefitted from Guardiola's philosophy, & now it seems so are the teams in the lower echelons of UK football.
Premier League teams realised they couldn't beat us, so the best way to compete was to follow us, hence the quality of the PL, is probably higher than it's ever been. This is all down to better training & better tactical awareness based on what City have done.
It's taken years of trial & error, but we're finally seeing the CFA bearing the fruit of Guardiola's labour. Zinchenko, Foden, Delap, McAtee, Doyle, Palmer & Lavia are the first off the production line with a realistic chance of having a sustained career at the very top of football, playing it the right way.
These players are the product of enhanced training methods, who are more tactically aware & astute than British academy players of yesteryear. Kids are kids regardless of where they're born. I can say 100% that even as a youngster, we were told to give me & another the ball to beat the opposition defence with pace & to get crosses in to the strikers & CDM's.
I can't recall a time when we were taught how to pass properly, retain possession or given any tactical training. British football is only now just catching up to the rest of the world in terms of training. This is not the fault of our talented youngsters, it's the fault of how they were trained.
Thankfully Guardiola seems to have changed that crap training culture forever.