Around ten years ago, I discovered that, due to an accounting error in the systems used, the company I work for wasn't paying people on maternity/parental leave the correct pension contributions. I fought tooth and nail to get this rectified and it took years of back and forth. I'm not on the board and I'm not a shareholder which made things difficult but I thought I'd had the problem fixed. I spoke to a colleague on maternity leave yesterday and found out that it's still happening.
I escalated my previous thread and have been told that it's none of my business because I haven't been affected this time and essentially to wind my neck in. I have female members of staff that are likely to be affected if they have children, so I disagree. And I was the person that reported it last time and so feel invested.
I really don't think I ABU but I feel hugely anxious about being told to stand down and not letting this go.
YANBU - in a management position, you have a moral obligation to wield what power you do have to make sure others aren't disadvantaged.
YABU - you've done your moral duty by reporting it and it'll do no one any favours by you continuing to push this/escalating it further.