@nobodyzhome @hu_logic @rodhilton The basic interface of Twitter isn't difficult.

I, and most SW engineers, could write something that resembles Twitter and works for a few hundred people as a weekend side project.

...but getting it to scale to millions of people and synchronize across the globe with redundancy, automation, dealing with attacks, bots and content moderation is a multi year project.

Elon almost certainly doesn't understand the second part.