Yep, all of this is so true. Although, the author seems a bit scared of reflog. I find it very helpful in a lot of situations, because it gives you the history

Yep, all of this is so true. Although, the author seems a bit scared of reflog. I find it very helpful in a lot of situations, because it gives you the history of the state of your navigations around the commit tree - not the history of the tree itself.