After taking an initial look I have several comments, but before diving into specifics let me raise a point on the process.
This post comes 48 hours before the Hegota PFI deadline. Is the intention to propose it for inclusion with less than 48 hours available for feedback?
This clearly doesn’t leave adequate time for community review of a monetary policy change of this magnitude. Note also that according to the strawmap, the expectation was that an issuance update would be considered for I*, so several participants may be preparing according to that schedule. Moreover, legitimate arguments have been raised in various prior discussions about consequences of an issuance update that need to be considered but don’t appear to be taken into account in this proposal — more time for open public discussion is clearly needed before this enters consideration for any specific hard fork