why die, it's free market, let the best team wins! not sure how datacenter based blockchain paypal 2.0 will win 5 years old computer to maintain slim and rigid base layer with second layer networks to offer scalability and advanced solutions, but I don't bother to think about it, let it be, let the market decide.
Yes, why let it die ? It has a good team working on it and now more people are interested in investing in bitcoincash. My friend had 1 bitcoincash so he got lucky he has now nearly 1300 dollars.
Altcoins can rise in the future because they are unstable.