The tone of this article makes a lot of assumptions about Musk, I feels like it's trying to create drama. Also, when did "UBI" become a household acronym?
bootstrap is a CSS framework. The web host you use shouldn't matter. There are conceptual issues with this article, but I'm guessing the real reason for it was to get those referral signups on bluehost (btw, bluehost isn't very good).
despite it being an electron application, I prefer Atom over Sublime, because 1) It's FOSS 2) it was easier to configure for Python 3) It takes the best parts of Sublime without requiring C#
Sublime Text is a nice text-editor with bolted on pieces that bring it closer to an IDE, but it's not really "integrated" -- PyCharm does this all much better.
Anyone who thinks PyCharm is sluggish, needs to reevaluate. I use it inside of VM as my daily driver, the startup is the only "sluggish" thing about it, and even that is negligible. They introduced "zero-latency typing" a while ago.
Also, I'd argue PyCharm has much more than sublime.
I've never heard of Pony, there is a whole lot of reading without an example code. I expected to see examples on "New to Pony", "Learning Pony" tutorial.