Again, as my view is supported by society, the medical, and the scientific community I do not need to provide proof. The burden of proof lies with you
Google search first two results: both in strong support of vaccination in young people
https://blog.ons.gov.uk/2023/03/27/assessing-the-benefits-and-risks-of-vaccinations-in-young-people/
it has become evident that also children could develop Long COVID after SARS-CoV-2 infection
https://www.thelancet.com/journals/lanam/article/PIIS2667-193X(23)00061-3/fulltext
Our results demonstrate that the benefits of the vaccine outweigh its risks for all age and sex subgroups we analyze in this study.
https://www.sciencedirect.com/science/article/pii/S2590136223000669
https://www.sciencedirect.com/science/article/pii/S0264410X22003292
Systematic review and meta-analysis of myocarditis and pericarditis in adolescents following COVID-19 BNT162b2 vaccination
https://www.nature.com/articles/s41541-023-00681-3
Long covid by age group
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7392393/
vaccination in children and adolescents appears crucial to protect them from the long-term consequences of SARS-CoV-2 infection
Big shock, it's vegetables