We honestly believe the other practices are objectively wrong and an incorrect and invalid approach to yiddishkeit.
Invalidated by whom? Hashem? Your Rebbe? Your Rov? Someone who thinks that the yardstick for frumkeit is heavier stockings, certain shape of black hats, length of time you were supported and learned in Kollel, how many blatt Gemara you can regurgitate, etc ?
Or Ahavas Yisroel, always aiming to encourage Kiddush Hashem, and discourage Chilul Hashem?
Judging from the hundreds of posts I read this week, I think the Mods and the majority of posters here, are quite open-minded and “get it” very well and are very even handed and prioritize Ahavas Yisroel, always aiming to encourage Kiddush Hashem, and discourage Chilul Hashem, without favoring any one approach, within reason.