Breaking of the debt ceiling will be a normal event and not some obscure special case since HF20

Exactly! And that's a terrible thing. SBD printing should have stopped at 7% - 8% to be able to handle market fluctuations. We also need to have a way to burn SBD because at the moment SBD is almost like WoW Gold. At least fixing the Promote feature could be somewhat useful: https://steemit.com/utopian-io/@vimukthi/steemit-improvement-proposal-cosmetic-upvote-feature-to-replace-bid-bots-and-fund-blockchain-development