The extent that could potentially burn HIVE blows the mind. :D
Inflation is our killer app, but much lamented because it hasn't had as many great uses as would've been possible. What you suggest offers much potential to put that HIVE inflation to good use.
Its a million dollar question .... a balance between community building (free money) that we now have, and investor friendly, nice apr without hard lockups... airdrops from time to time ... something in that direction .... and offcourse a great product