Coins will live those who have the product. Work product. Such coins will have value. Many coins are worth absolutely nothing and were created only for the purpose to get rich team.
Exactly only those who have a real purpose will remain valuable in this market and those shitcoins will be dead. There are some coins already gone and for me they deserve it since they are not here to provide good services instead they are here for money.
But right now it's not only a working product. It's also how well they managed / are managing the funds they got in the ICO now during this bear market.
Did they sell their cryptos at the right time so that they have enough liquidity to keep the development running? I guess a lot of projects might have been to lavish with their ICO funds and now that their tokens from the developers share have dropped so drastically in price, they got problems keeping the whole project alive. Already a lot of projects had to dismiss part of their team and the longer this bear market continues, the more projects will get problems.
In short: Even an promising and inovative idea won't help that much, if the people running the company fail with money management.