Tonguez
A suffusion of yellow
Yes it is. In the first instance, Agatha was a member of their society ("Are you a witch?" "I am a witch.") who had transgressed against its regulations; in the second, Agatha is a self-appointed judge, jury and torturer.
The former is the accidental outcome of an unwitting act, and the latter is the deliberate result of conscious choices. The latter is clearly more sadistic.
it may have been unwitting at the start, but we now know that Wanda is aware of whats happening and is able to leave the Hex and/or remove people from it.
She is now knowingly subjecting the towns people to her fantasy and refusing to let them go.