My point is that the business owner/developer should decide when to migrate to a different API or if it even makes sense for them to even migrate, not Google.

My point is that the business owner/developer should decide when to migrate to a different API or if it even makes sense for them to even migrate, not Google. The lock in was a bad idea in the first place. I may exaggerate but what's the point to have a new/better solution(Tesorflow) if the migration kills your business?