Dogma: "A principle or set of principles laid down by an authority as incontrovertibly true."
[Organized] religious people operate under dogma, pretty much by definition.
I don't see that saying non believers are "dogmatic" makes any sense at all. What non believer dogma [principle(s) & authority] are you referring to, specifically?
LOL. Atheists do not have a set of beliefs that they would need to have faith in.
Failing to believe in supernatural beings that have no evidence demonstrating their existence is not a matter of faith. I don't believe in gods, God, Satan, Santa Claus, the Easter Bunny, or
Russel's Teapot either. Faith is simply not involved here. Atheists don't need to periodically question their lack of belief in things that have no evidence to support them.
Personally, I'm partial to
The Scientific Method, but this is a process based on
skepticism as opposed to faith.
Religions have been unable to produce any evidence whatsoever to back their beliefs. I have faith that this is unlikely to change, but if it does I may reconsider.
I'm not holding my breath, but I would love to see the reaction of other religions with contradicting beliefs, assuming one religion/denomination did somehow manage this improbable feat.