If we take everything into account I think it's a fair price, but I also think they made a huge mistake.
Think of any hugely successful game that exists today.
Got one? Now think of the community behind it. Why do you think it is so strong?
Because the developers release tools and SDK packs that help the community make the game better, by adding new items, objects, vehicles and environments. Think of Microsoft Flight Simulator, the secret to its success is the enormous community behind it, a community that started for the development of mods or addons to the game. Even games in the first person genre function much the same way. Think counter strike or battlefield, both have huge communities behind them that exist in the creation of mods, maps, weapons, items or vehicles. This is something I have noticed about ship simulator, without a modding community the game will be nowhere near as successful as it could be. Right now the developers are trying to make money off of new ships, but they don't realize how many new ships could be added for free by all the people that want to make ships for it. They can still continue to sell their ships, and they will do just as well as before, with flight simulator there is payware, and that's a booming market. In flight simulator there are also literally tens of thousands of aircraft that have been created for free by dedicated community members. And with more and more websites devoted to the development community so many new people will learn about the game and buy it.