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Your hierarchy is likely well aware of your politics, and wouldn’t be inclined to tip you off, I suspect.
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It’s not a matter of tipping off.
They are quite open about their heresies, and they continually publish such things in emails, websites, newsletters, etc.
E-S, I really, really know this denomination. I’m not happy with it, but I see nothing to gain and everything to lose by indulging in fake attacks on them. In many ways fake attacks are more dangerous, because for me to be easily discredited because of such a story makes me easy to ignore when real objections arise.