In a sense, doesn't speaking naturally in front of a camera require you to be more fake?

It's not the easiest thing to do, trying to address audience without any feedback, looking at a black object sitting in a room, in multiple attempts and with random interruptions needed to fix technical issues or change shot, while pretending that it is all part of normal, continuous discussion.

People watch him because he is genuinely good at what he does, not because of his presentation or editing skills.

There are videos on his instgram page of him doing Q&As at hacker events and he talks the same way.

Just for yourself, write a short script for a youtube video. Try to make it engaging, even if it's just a paragraph. Then put your phone up on your desk, put your script next to it. Read the script and record yourself.

Also go out and meet more people.