Would kinda like it to Not pop up every time I enter a dungeon or when raiding with my guild. oQ only groups maybe.

As for entire groups disbanding, I've only seen it happen when the ENTIRE raid group is given assist and someone thinks its funny to mass kick.

If you have any addon or something similar baked into a UI that auto accepts beyond oQ, it essentailly kicks you cause it thinks you joined another group the second oQ accepts. I always turn Elvui's auto accept off when using oQ