Vim and VS Code are both text editors that can become IDEs with plugins. You can use vim with language servers if you want, as there are plugins for it.

When I became a man I put away childish things, including the fear of childishness and the desire to be very grown up.

• C.S. Lewis

Good on your sister for not losing track of what makes her happy. Not doing things just because they are “childish” is the most childish trait an adult can display.

Since you probably buy stuff made in China like everyone else, you tell us.