While I agree that knowledge of what's below those abstractions is important, you also need to cater to your audience. Getting something working on the screen in front of you is exciting for new folks; lining up little victories with increasing complexity feels like a path that would be more enjoyable to follow. As long as the person maintains a curiosity about the underlying technology, they can work down into the lower layers as their interest dictates.

I think they might be overstimulated.

Hello, world from a compiler in a terminal is a good start.

You should show them how many lines of code a web browser is and say "here is what it takes to get <p>Hello!</p> on the page" lol

Scare everybody away :)