That guy is talented, but those songs aren't radio-ready hits. In large part because the music/recording is nowhere near the major part of what makes a radio ready hit. Radio hits are the result of advertising and marketing, not music creation and production.
Expensive marketing is effective for established acts that already have an existing audience—whether that be international superstars like Coldplay or relative newcomers like London Grammar.
But it's also true that traditional marketing is becoming increasingly less relevant for new acts. New music discovery used to be driven by radio, media and advertising. Those gatekeepers are now being challenged by algorithms and social media—and there's no sign of that trend slowing down yet.
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To my original point: making music is now an order of magnitude cheaper than it was just a few decades ago. And venues where an act to break out are more accessible than ever. I'm not saying the industry is now or ever will be perfectly egalitarian, but the distance travelled is monumental.