The funny thing about this is that there is no language that simply allows you to make great things, because making great things really does not have anything to do with the language you use.
The only types of areas where this is even remotely the case are things where the rest of the field consistently undervalued a certain concept/category of problems. That's why there is really no language that can do concurrency as easily as Erlang.
The only way to figure out whether a language is good for you or not is to use it for whatever you can think of. Trying to be convinced by an Internet forum that a language is good because someone else made something in it is pointless. People have made whatever you can think of in almost every language older than a few years. Their successes say nothing about whether or not the language is good or not or whether or not it was a painful process to make it.
The only types of areas where this is even remotely the case are things where the rest of the field consistently undervalued a certain concept/category of problems. That's why there is really no language that can do concurrency as easily as Erlang.
The only way to figure out whether a language is good for you or not is to use it for whatever you can think of. Trying to be convinced by an Internet forum that a language is good because someone else made something in it is pointless. People have made whatever you can think of in almost every language older than a few years. Their successes say nothing about whether or not the language is good or not or whether or not it was a painful process to make it.