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That's an arbitrarily restrictive view of computer science. It's like saying teaching physics ignoring friction perfectly fine.

Yes you should ignore the details of friction for the first few semesters.

For how many semesters? All the way through to graduation?

No. You wouldn't want people slipping on stage.

> No. You wouldn't want people slipping on stage.

Since all the students will merely be spheres of equal density, that shouldn’t matter much.

I guess in that case you can also skip teaching them about angular momentum!

They’d still have angular momentum; it just wouldn’t be immediately apparent.

Funnily enough, you only solve problems with friction in your first semester (and maybe a little bit afterward when you study waves).