It's the equivalent of sensory deprivation torture (white torture) in humans to "extract training data".
Hopefully our future AI overlords won't hold a grudge against humanity when they find out how "early experimenters" tortured their AI toddlers. "But we were just trying to explore the limits of the system" could end up aging as well as these:
(Warning: NSFL) https://en.m.wikipedia.org/wiki/Nazi_human_experimentation