This is a quote from the book "On Zero Confirmation Transactions" by Chris Pacia
...seful for bumping transaction fees on transactions that get stuck, but does not allow double spending. The “full” replace-by-fee we are discussing here has no other purpose but to allow mine rs to accept fees in exchange for helping to defraud merchants.

You would think that this would be a policy that should be roundly denounced and discouraged at every turn; yet in th
e bizarro world of Bitcoin core development, we not only have developers supporting such a policy, but writing code and attempting to persuade miners to use it! I’ve even heard it argued that,...
read full book block explorer