Earthcoin never had anything going for it and I'd go so far as to say, was a scam. The foundation is a joke obviously thrown together to deceive hapless goodniks. Take a look at it over at www.earthcoin.biz - the projects are really micky mouse, and above all- the sort where it would be unprovable as to how much support they actually do send. 
This statement is baseless. I'll make it no secret that EAC is one of the coins I heavily support, however if you're to claim that EAC is a scam based on all of the supporting services and marketplaces that have sprung up, then that means that you must consider all altcoins (including Litecoin) a scam. For the sake of debate, you'll have to be a LOT more specific and provide reasons to support your statement. I'll start you off:
- Define what a "successful" coin is?
- What coins have better market/service structures in place that have "succeeded"? (Hint: Look at Earthcoin's current offerings on the announcement page before mindlessly listing your favorite coins.)
To reiterate, I'm interested in an actual evidence supporting your statement, not opinions on which coin you think is the coolest and should make you rich.