Why did the Supreme Court hold that Uzuegbunam v Preczewski was not moot?

This video introduces Uzuegbunam v Preczewski where SCOTUS held that $1 in nominal damages was sufficient to satisfy the requirement that a case be redressable and not moot.

[@IsabelRodriguez-nv2ue]

WOW! for only $1 the case was considered to be alive!!!! How could that be? Super good video! Very informative! Thanks!

[@swirlybulldozer3105]

ok, ok.