Hi Andreas (and everyone else on this forum - this is my first post),
I'm very, very tempted to say that I don't like irrationality and bullshit either. It also frustrated me, to no end. In a nutshell: I've been supposedly 'rational', I've been active on-and-off in a skeptical and 'freethinker' community for a substantial part of my life; I've once moderated discussions and I've debated 'extreme' people that could be easily labeled as arrogant, stigmatizers and brainwashers. That places me on a specific point on a spectrum that - reflecting on that - seems quite imaginary and arbitrary.
Sure, you can conjure up the (to you) most ridiculous, painful and naive instances of religion and spiritual practices (indeed: Youtube is full of them), but really, isn't that possible to do that for any subculture or viewpoint? In the end it seems (to me) that I personally have been part of a community that has a subset of people that simply loves to pummel and immerse themselves with (to their minds at least) the most ridiculous and awful things possible... just to keep those negative sentiments about those extremes alive.
One question (in your first post) was: How do you deal with religious groups emotionally and stop being distracted by them?
I eventually became aware of the situation that I've described earlier and I wondered: why do such things (like: pummeling yourself like that) in the first place? Why the adverse feelings about such things, really? Do those feelings actually state something about the subject that evokes them... or about the experiencer (e.g. "me")? The answer to that question can only be found when you "look" 'inside', when you become more aware of the deeper layers of your personality "construct". Why are there such things in the first place?
At later (and last) moments in my active years in said communities I often pondered (and began to question) why I was debating (or facilitating such debating) with 'extremes', and eventually I realized that I was far more interested in the actual [hi]story (and motivation) of such others. How and why people think and believe certain things, even if they are extremely illogical, allowed me learn about myself because eventually I began to wonder about my own motivations, feelings and logic. "me" vs. "them" eventually turned to "me" vs. "me", and eventually that became far, far more fruitful.
I eventually navigated back towards my true skeptical roots, disregarding my 'selective-skeptical behaviors' that I was actually cultivating by said immersion. The immersion in question also closed my mind.
...and that is unfortunate, since there seems always some truth or some motivation that leads me to conclude things like "it could have easily been me if I was in their situation", if you dig deeper by asking questions that shows interest in the person rather than the messages they need to broadcast.
...pummeling myself regularly with extremes (and videos that would make me cringe) would effectively disable my mind into considering the possibility that "lesser extremes" (to to speak) or "moderates" could offer you something of value to you, personally. It made my thinking more black-and-white. In the end, in a difficult situation, I eventually met someone who believes and practices very different things than me - things that would have made me cringe if taken to the extreme - he was able to help me to emotionally grow on a level that I could not have imagined before... at least I was able to permit myself that. That is not to say that I've adopted his beliefs and practices, but at the very least I allow myself to play around with them without such adoption and nowadays with far, far less judgement... so it keeps my mind open, and I actually understand other perspectives far better than before.
...and in the end this also has led me here.