I don't understand why the creator is hesitating to enhance the coin with useful features.

Because his boss at Coinbase has made the company policy crystal clear.

https://twitter.com/brian_armstrong/status/569914763263606785

People like him, think that Position gives you the right to dictate conditions - in my opinion this is wrong!

Just to point this out, and OP please dont delete this.

http://coinfire.io/2015/02/24/litecoin-association-director-challenges-coinbase-ceo-to-public-debate/

As much as the majority here may hate/dislike/whatever Litecoin, please remember that those of us who work with Litecoin do care about other communities. And I spoke on all alts when I said that btw.