“The flight attendants have the ability to adjust the cabin pressure a little (most Boeing AC). “
The stewardesses controlling cabin pressurization. . .not the air crew? The air crew cabin has the same pressure as the main cabin, so, you are saying stewardesses can lower the pressure causing slight to severe hypoxia, therefore impair the pilots and other cabin crew?
Imagine an angry ugly old bitter stewardess (not hard to imagine on US flagged carriers), getting even by depressurizing slowly. . .thereby taking out the air crew and cabin crew and passengers. I am not sure the FAA would certify an aircraft that allows stewardesses to control cabin pressure.
Got a link for reference on that?
The changing air pressure is usually what causes infants and toddler to scream. They don't know how to equalize their ears, and it hurts. I've had it happen as an adult (allergies or slight cold), and it hurts -- a lot.
Increasing the cabin altitude would actually make it worse, not better.