If markets appreciate immutability then ETC will increase in value and everything else, devs included, will follow. It is very simple.
The problem is that most people do not appreciate the fact that more than 10% of the ETC are owned by the hackers.
"most people"
If that was the case then "most people" would have bothered to vote, but only a small % of people voted in the disastrous hard fork. Now a coin with higher trading volume than ETH is born and has existed and will exist for a long term. Let's remember what idiots like Brian Armstrong where saying about how great the ETH hardfork bailout was:

Vitalik the central banker:
https://www.reddit.com/r/ethereum/comments/4oif2x/dao_attack_exchanges_please_pause_eth_and_dao/The whole thing was a failure. Let's hope ETC wins or Ethereum will be another shitcoin.