I wish you’d lay off the ‘economics suck’ message - it’s both unfair and comes across as fanboy-ish.  Grin was developed w/ an economic model suited toward its goal of becoming a currency.  Clearly, the model you’ve chosen is more suited to a store of (increasing) value, but as such incentivizes hoarding, and therefore is less likely, in comparison, to become successful as a widely used currency.  Both have legitimate purposes, and both can possibly be successful in their respective endeavors.

Please take this as the constructive criticism it is meant to be.  I am a miner and holder of both currencies.