Agreed after reading back over it, unintended.
Coinbase, yes. 947 other exchanges? No.
Coinbase is also an institutional platform, like blockchain.com, and hold conflicting goals and values to much of the crypto userbase. Crypto is moving more and more towards becoming wall street 2.0, and these companies have a vested interest in that happening in order to further secure market position.
A majority of exchanges don't require KYC or proof of your identity in order to trade reasonably small amounts, and I'm not sure where you get the strangely precise number 947 from?
My point is that the marketing value of giving away $50 to you is not enough to justify why Blockchain would have done this. You seem to think that getting $50 is a win and that the data you provided is worth less than that. My point is that I believe that you're potentially incorrect and that from a logical perspective, easy money is not always smart money.