TL;DR: they are converging to sans-serif font mostly for simplification and readability purpose.

An interactive demo on how ants follow simple rules to find near-optimal solutions to feeding and fighting problems.

The author claims the pretention to acquiration twitter is just Elon's joke. Elon's unusal habit is to pretend to acquire something and he has several antecedence before. It's an expensive joke to make but he can afford it as the world's richest person.

Un-paywalled: https://archive.ph/5nLiC#selection-3951.7-3955.102