Oh ffs you made me go research it a bit 😄
Fair enough in this case temporariness is guaranteed and enforceable, which counters my kneejerk reaction.
Reducing the level of consensus required sounds dodgy though? Plus some are saying it will not actually stop spam, it will just make it adapt. From what I know about spam that sounds about right... which doesn't mean we should not fight it.
I am curious what you have to say, for sure.
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> temporariness is guaranteed and enforceable
Not only that. It’s temporary to make sure any possible bugs in the code or unintended consequences (like with SegWit and Taproot) would expire automatically in 12 months, where with a permanent soft fork you might need to do a hard fork to reverse the changes. This BIP is the most conservative and thoughtful consensus change in Bitcoin’s history so far.
> Reducing the level of consensus required sounds dodgy though
Due to extreme mining centralisation you have not one but four pools with more than 10% hashrate share who can single-handedly veto any protocol level change. This was not the case in 2017 and 2021, therefore the bar was considerably higher.
> Plus some are saying it will not actually stop spam
That’s not even the goal of the BIP. The idea is to close known attack vectors in the code that are currently used primarily for abusing the network nodes’ resources. Here’s the explainer directly from the site:

