premined, that gives some presure to the devs to increase the coin price on the excanges.
Well, when you have coin like Quark with 98% premine yes, that puts some pressure on DEV´s to continue working on the coin because they just cant dump in one go so many coins! In time they have to make an effort to push and promote the coin, creating partnerships and trying to spread the coin to flow into markets and if people take interest in the coin and its structure, the coin takes off almost on its own due to so many parties already involded OR it can be a long term pump and dump for all parties involved /scary
DOGE for example if it stays as its has been one of the most profitable coins to mine for awile long you can rest assure it wont die because real investments are taking place around DOGE.
Then you have the instantmine and premine like around 2% claim from DEV´s for Giveways, bountys, etc... to sustain the coin. These are tricky because either its a dumping coin as soon it hits a market like for example Mooncoin or it can be a coin to watch and keep an eye on like Earthcoin for future investment!
And lately we had coins popping up like cherries which at launch dont have source codes ( WICH IS A REAL DANGER BECAUSE ANYTHING THAT YOU DOWNLOAD IS A POTENTIAL VIRUS) wallets or anything else but a DEV with a premine coin to just dump hit at the first chance he or they can get
So, this is the general overview that in my opinion you have to look and think what you want from a coin to give to the world as a currency but probably its just me
Good trading