I am the author of that post, and that is why I suggest this course of action. My post was not about "picking the winning language" but about getting moving actually practicing new languages. That practice helps us to get faster at learning. Once you have learned a few, you will be dramatically faster at learning new ones, and at programming in general. You will have seen the same concepts implemented a few different ways. It will be harder to be a fanboy of any specific one, because they all have pros and cons that have to be weighed.