Tyler Bensch, who used bear spray during the Capitol attack, was sentenced to probation and 60 days home detention instead of the nine months in prison sought by prosecutors.
archive.is is having stability issues at the moment so I updated the link
a "lack of direct involvement" would be something like showing up to the Capitol to protest, happening to be right in the gray area between the peaceful protestors and the violent ones, and getting rounded up by the capitol police who mistook you for one of the violent ones.
Stealing a riot shield and macing people is the textbook definition of direct involvement.
Kids will be kids! They do dumb stuff all the time like busting mailboxes, tagging grafitti, stealing road signs, and stealing a riot shield during an insurrection.