I would hope she would call the management and complain that someone was making threatening gestures and ask that 911 be called. Anyone who harassed a nursing mother in that manner would deserve to be hauled out on their butts.
threatening? hardly. approval.
if she wasn’t seeking attention, and approval, of her actions... she wouldn’t do it in public.
monkeys walk around with their young on their teats.
humans cover up when in public