Many people are concerned about whether they're doing the best for their lifes or not, and it isn't always easy to talk about this things face-to-face because of the expectations that society places on us. Therefore, many people end up seeking help online and Hacker News Ask gives that possibility.
I understand that the author is more familiar with the syntax of promises. Nonetheless, having a syntax similar to synchronous code allows developers to write more code remembering only the couple of changes in syntax instead of having to memorise a different one.
What really is important is to find a balance between being in the moment and preparing for the future. If you don't prepare for your future, in the future you won't be able to enjoy your current present. However, if you only prepare for your future, you'll never enjoy what you prepared beforehand.