Cider makers can certainly weigh in on the merits of Baldwin. I have but one tree and it's crop is practically reserved by customers who want this apple in their holiday pies.
Maggot fly shouldn't necessarily be a problem most years in a late season variety. Those dynamics are shifting, of course. I suggest you read the
Spring 2019 issue of Community Orchardist, Barbara, and then any AMF-focused conversations continue in the
Bug-by-Bug category. There's already a post on
Burgeoning Apple Maggot Issues with good grower input. A new post in that category on late season inroads of AMF would certainly be welcome.
Now let's get back to the merits of this venerable apple...
Lost Nation OrchardZone 4b in New Hampshire