He didn't say it was a foul or a penalty, just described the contact as the rulebook does on page 83
CONTACT BOTH TO AND WITH THE HELMET
Over the years the NFHS Football Rules Committee has repeatedly emphasized the need
to keep the HEAD OUT OF FOOTBALL, due to the potential for catastrophic head and neck
injuries. Some form of helmet review or illegal helmet contact emphasis has been specifically
targeted by the committee in its publications for review by coaches and officials 22
times since 1980. In the past few years, all levels of football have increased the focus on
decreasing the risk of concussion, and it is widely conceded that one of the biggest steps
in this effort is to eliminate direct helmet-to-helmet contact and any other contact both by
and to the helmet.
Any initiation of contact with the helmet is illegal; therefore, there must be a focus on
enforcing the existing rules. This year, the committee is taking the step to emphasize all
types of illegal helmet contact: