100% correct.  Buy a $20 pulse oximeter from Amazon and test yourself and your family.  It only takes a minute to see what the mask does to your oxygen levels.  Hypoxia can cause organ failure and affect brains.  Do you want your small growing children to wear something that could cause lack of oxygen to their developing brains?  The Democrats do.  Get one of these devices and see for yourself.  Then go to your school board and show them.  This isn't rocket science.