If you could make a good "story by commits" I assure you: a combined single commit would be as much readable as multiple. Good story is a result of composable changes highly visible without artificial splitting.

Funny thing I never seen a good PR with meaningful multiple commits. At least you need to be quite proactive in history rewrite to make it presentable. Usually it's mere fix/fix/fix looking amazingly bad without squash.

If you want to comment on this matter, you are welcome to share your github examples.