I think the influenza comparison is very relevant when talking about immunizing children and young adults. Influenza is a much more serious disease in children than Covid.
For the record, I am not in any way opposed to vaccination. Quite the opposite. I am in favor of mandating vaccines for common communicable diseases in school children. But all vaccines have some side effects and some can have very serious side effects. The J&J vaccine can cause Guilliane-Barre syndrome, myocarditis, and other serious complications. Why any parent would allow their healthy teenager who had already a mild coronavirus case get any of the current crop of EUA vaccines is beyond me.