People who "closely study mistakes and successes of the past" are in a very rare supply in the crypto space, and for a good reason: because people who actually closely study mistakes and successes of the past don't want to touch that space even with a 10-yard stick.
The reasons were spelled out in no uncertain terms 7 years ago in https://medium.com/@kaistinchcombe/ten-years-in-nobody-has-c... and followup here https://medium.com/@kaistinchcombe/decentralized-and-trustle... 17 years in, all those reasons remain the same.