Yes - they could've just kept churning out more NFTs for him to "stake" and catch him off-guard when he used his main wallet by accident or maybe even give him

Yes - they could've just kept churning out more NFTs for him to "stake" and catch him off-guard when he used his main wallet by accident or maybe even give him legitimate returns (that they bankroll) to convince him to use his main wallet intentionally to get higher returns.