DMD uses an auto-combine on small input blocks so it is already out there.
DMD Developer - "... DMD where split stake normal stake or group stake (merge pile together) is automatic adjusted by wallet code and create a zero micromanagement needed POS experience"
Sounds like a good idea for coin group sizes up to, say, (2000, 5000, 10000, choose some number that will undoubtedly be the subject of much discussion) coins.
- It would stabilize the POS difficulty somewhat.
- It would reduce block sizes over the long run, because
- It would eliminate the "bag of pennies" issue for Tek.