(For example) if you're publicly traded, having some sort of measurement of success is useful for your financial filings, so you can talk about progress.
VCs ask about Monthly Active Users all the time, even in business where that doesn't actually translate to anything. But numbers are usually easier to work with than a screed about "well, we saw more stuff happen than last year"
My experience working with 700 startups is the opposite. Founders who lead with an essay will systematically fail because they don't face reality. Founders who lead with numbers are far more likely to actually know what's happening with their business, and thus succeed more often.
VCs ask about Monthly Active Users all the time, even in business where that doesn't actually translate to anything. But numbers are usually easier to work with than a screed about "well, we saw more stuff happen than last year"