IDK about the development of ETC, but the developers, marketing, managers behind ETH development should make ETH more valuable than ETC
Of course yes ETH is more valuable than ETC right now, many projects related ETH and
many projects be builded on ethereum network than be builded on ethereum classic network,
it is mean ETH is more valuable than ETC and we can check on coinmarketcap.com
also ETH's price is more expensive than ETC's price.