The tail emission avoids all this, the block reward never drops to zero and so the miners continue to be incentivized.
That pool is PROP I think, not PPLNS. That's the default for all those "node-cryptonote-pool" pools, unless explicitely noted otherwise.
No bad new driving the price down and now looks like Masari just got added on crex24. Time to accumulate more.
Sadly after this change we will loose ability to use free Claymore version. I hope that Masari devs will release custom xmr-staSee full review