** few years ago **
Other team: "There's a lot of overlap and misclassification between issue categories A and B; We want to merge them into one in our taxonomy"
Me: These are very different issues and have very different root causes. Shouldn't we fix the definitions instead? We don’t have major drivers for B now but if we remove it, it might bite us in year or two.
** loads of back and forth, and eventually B gets killed

** year and a quarter passes
Executive meeting: “So you’re telling us we can’t properly quantify the impact of B because we can’t distinguish A from B. It looks very clear cut to me why don’t we have split for these already and how long will it take to implement it?”
Me: Biting my tongue not to throw anyone under a bus.