There's very few manufacturers, I believe 3 globally? And there's a large moat. Nobody can compete with them in the next 10 years. It's really not hard to coordinate action between 3 companies.
There are trillions to be made. That moat won't be as insurmountable in hindsight.
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There used to be over 50 memory manufactures in the US alone. Everytime there was a bust (following a boom) there'd be bankruptcies. The lucky ones got bought out and consolidated. Empirically, attempting to capitalize on memory booms is a losing strategy.