tldr; As a response to the risks of builder centralization, we should try to constrain the power that builders have. Instead of auctioning off the right to construct the entire block if they win an auction, builders would have a more limited amount of power. This idea is sometimes called partial block auctions. The builder can still engage in some abuses.
This summary is auto generated by a bot and not meant to replace reading the original article. As always, DYOR.