not every shitta, randomly pulled out of the hat(as is the minhag by the MO), one is allowed to rely on.
Not every chumra, randomly pulled out of the hat (as is the minhag by chareidim), one is allowed to rely on.
Didn’t like that, did you?
Personally, I am disgusted that you seem to think that it’s perfectly all right to accuse the entire MO movement of deciding halacha by something as capricious and arbitrary as “randomly pull[ing]” rulings “out of a hat.”
I think you owe every one of them an apology.
The Wolf