A. The airline policy is based on CDC guidance. It is a policy put together by public health experts.
B. Parents who don't wish to have their kids wear masks can decide not to fly. There is a deep irony that the same people who are crying out for "personal responsibility" in refusing to wear masks are the ones who are angry when their choices have consequences.
C. People who don't live in the States and want to complain about rules can fuck right off. There were MORE THAN A MILLION CASES last week. There are states with over 50% positivity (although some of that speaks to the appalling state of testing). They are projecting there will be as many deaths as there were American casualties in WWII. Hospitals are full. ICU bed availability is as low as 2-3% in some states. And Christmas hasn't even happened.
Meanwhile, public health officials are having their houses protested and their children terrorized. City councils are voting against mask mandates because of 'freedom' and 'personal choice', even as their friends and family die. And, on rare but notable occasions, those who try to enforce mask rules are assaulted, screamed at, or worse.
So, honestly, the fact that in the midst of all of this, two Covid sceptics took a totally fucking unnecessary trip across the country to visit family from multiple households and then travel in a virus pack to the heart of New York City to see a tree and are horrified that the choice to do that while flying on their preferred airline isn't possible because they haven't done anything to prepare that toddler...that this causes you to blame THE AIRLINE for unreasonable behavior, is absolutely bloody baffling.