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I do this quite alot on telegram, where scammers contact me telling me to connect my wallet to some unknown site to authentic and make my wallet address eligible for a huge airdrop, I just pretend I am a crypto newbie and am going to fall for the trick, and I simply play along with the scammer until he himself gets fed up of telling me what to do.
Coming back to the discussion and on a more serious note, you are right, If I get access to fixed matches, I am never sharing it, it one in a life time opportunity, a very rare one that can't be sold.
By the way, you are a good guy!
Simply because your games with scammers primarily take up the scammers' time and they accordingly have to work harder to find another victim of their fraud. If there were many Robin Hoods like you, then fraud in general in this form, as we say, would become a very time-consuming occupation.
And many scammers would give up this, so to speak, "business". This would be good for everyone. And the Internet would be slightly cleaned of fraud and deception.