What are the active pools for this coin?  Of the three that are listed in the OP, two are broken links and Supernova has 40% of the network's hash.  (Also, in the case of Supernova, although it's not quite at 51% of the network -- and at risk of creating a soft, private fork of the coin -- it does centralize the mining a lot in that pool and enriches that pool's operator into some kind of mega-whale of this coin).  The only other POLY pool I know of is at https://cryptohub.online/pools/ .

I think I've encountered other POLY pools at Yiimp sites but don't recall where precisely.  Polytimos could really use a resource such as Sumokoin has with http://sumopools.com/ (listing the network hash of the various pools dynamically).  Obviously someone with the scripting know-how and the time would benefit from some Poly donations or eventually ad-income perhaps if they applied his- or herself to this.

If a few big miners (or enough small ones) moved over to some of the other(??) pools they'd probably notice they'd mine a greater proportion of each block and help decentralize the network (making the chain more robust).  Moreover, people with professional-status mining rigs that are capable of actually solomining blocks of this would probably end up with more mined coins if they were heavyweights in smaller pools too.   Overall, distributing the hash would end up with a situation approaching the pie-chart shown here (https://blockchain.info/pools) for BTC's hash distribution instead of whatever it probably looks like for this coin at the present time.