Looks like a chameleon to me.

Probably an Easter egg. Seems to be the author’s mascot:

Please don’t give them any ideas

Anything more complicated than a static website is going to have a significant amount of server-side code.

Also, the article explains that it's not just the website, but ALL of their repos, which would include their smartphone apps, backend tools, etc.

Could it be that economics is more of a social science than a physical one, and therefore its "laws" cannot be expected to have the same level of stringency and consistency as the laws of physics?

No, it's economics that's wrong.

This guy

Did you take this screenshot in Microsoft Word?

As tradition demands.

Reminds me of this meme I saw somewhere around here the other week

It’s all shits and giggles until someone giggles and shits

hunter2