At my previous company, my manager decided to move our team's client reporting from monthly to weekly — for every account. I thought it would bury us: I estimated it tripled our reporting hours, mostly for small clients who barely opened the monthly version.
I asked for twenty minutes privately and came with numbers rather than resistance: the hours estimate, plus open rates showing most small clients weren't reading the current reports. I proposed weekly for the top-tier accounts only. She heard me out fully, then overruled me — leadership had made reporting frequency a company-wide retention commitment after losing a big account, which I hadn't known.
So I committed to making her version work instead of proving it couldn't: I built templates that automated most of each report, which cut the added burden to a fraction of my estimate. She later told me that the way I handled it — pushing back with data, then executing without sulking — was a factor in my next promotion. And she wasn't wrong to overrule me: retention that year improved.