[tn13]

In our first lecture at graduate college, the prof told us how to read research papers.

Rule 1 : Louder the guest shouts of his honor, faster you should count your spoons.

Similarly if someone tells you about 50% savings just because you switched to some other technology you should be extremely skeptical. Besides those people who engage in `Node vs X` debate every now and then should spend some time educating themselves about compilers and interpreters to understand what makes some programming languages faster than others in certain circumstances.