These problems are all solvable by other languages/frameworks. I use Python, and we have gevent, which does the same thing as Node, but in a more concise language with a richer standard library.
LAMP is not dead. It's evolving.
I'm learning Objective-C right now, and it seems to be hard to develop in, at first. Why do I have to put @ in front of strings, or NSLog(@"%@", myVar); to log a string? Why are there so many data types? Wtf is up with all the brackets?
As soon as I actually started at the very basics, this stuff started to make sense. Its a different language with its own ways of solving problems. Its me as the new guy on the team that has to learn the rules before I can start complaining that things don't make sense.
I know what you mean about the spaghetti effect, but this is easily mitigated if you know how to structure your code.