only real cryptocurrencies will survive, all the scam tokens will crash to zero, that's sure
It is true. A good team of developers will definitely continue to improve the quality of its products. It's a kind of natural selection, the best-selling altcoin will survive, while that will not be less valuable. Especially when the bitcoin price falls, most altcoin is definitely affected. Just hold, or take advantage to add assets, but make sure the uptrend will happen soon.
Yes you are right, there are ico's today that does not really have the potential to grow its prices because the platform is really bad and there are also ico's who are not continuing their own road map that's why more and more people are not believing on ico's.