We've all known this all along, but it's refreshing to hear one of them admit it

It’s disgusting that these people are using innocent children as pawns in their cruel game.

Mask wearing has been nothing but political posturing from the beginning, as noted by Politico in May, 2020:

For progressives, masks have become a sign that you take the pandemic seriously and are willing to make a personal sacrifice to save lives. Prominent people who don’t wear them are shamed and dragged on Twitter by lefty accounts. On the right, where the mask is often seen as the symbol of a purported overreaction to the coronavirus, mask promotion is a target of ridicule, a sign that in a deeply polarized America almost anything can be politicized and turned into a token of tribal affiliation.