I expect this is going to slowly die. It was interesting but without a competent dev team and projects being built on it whats the point?
I agree, both chains will die.
Feel free to quote this in a year.
time to remove the address from the sig.

There are not updating from developer of ETC, and if still there are not updating and innovation maybe it will be dead slowly. But it is just opinions. I will wait and see what will do by developer.