If that happened we'd have lots of Greek, Ukrainians, Turks, Armenians, Nigerians, Egyptians etc. It's okay to watch one sided matches as long as it's original content ( I mean athletes of that country itself).
It's true most sports won't do it, but I have seen the fairytale stories in many sports. From nowhere to best that happens only with homegrown talent. Canada for example was in top 10 nations or so in the 1990s but they continued with expats and today they are like not even in top 20. PNG for example was nowhere today they are seeded 12th for T20 WC 2021 later this year. Also reminds me of Thailand where federation refused to allow expat women and believed in Thai school kids who last year qualified to the 10 team world cup and have already beaten Sri Lanka once. It's a non olympic sport but will soon become a olympic sport ofc in 2-3 editions, no doubt on that because cricket will give more money then 10-15 Olympic sports combined.