Yes, one may be able to request A.I. to do many musical & music related things but not everyone will want to.
BIAB can supply a lot but I still, for the most part, record bass & guitars because I can, becasue I like to & becasue, rather like A.I., BIAB can be, at times, a little too generic sounding.
Quite a lot of BIAB users play their instruments and sing their songs because that's what they like to do.
Using A.I. makes a lot of sense as an enabling tool for those who can't do certain things and for those making demos, jingles etc that fit the genre specifics that the A.I. can access.
A.I. would remove, for the most part, the hobby aspects that song writing & recording using BIAB encourages.


Cheers
rayc
"What's so funny about peace, love & understanding?" - N.Lowe