My problem is that I am developing so many programs on so many Arduinos that I sometimes forget which one is loaded where!
A problem that I am sure many of our forum readers wish they had 
I don't see what you are trying to say.
I was only attempting to add some possible options to any reader looking to organize multiple projects... by board and by display or other sensor element(s).
For readers that may be publishers, too, I made the point of embedded libraries into the sketch folder. Maybe only 1% of readers will resonate with that idea, but over time I have had numerous PMs from folk thanking me for that bit of wisdom. But like wasabi sauce, not everyone will like that idea.
I regret you got no value from my post, but that's OK.
Ray