Watch someone build the weekly report and time each part. The exports are the fast bit. The slow parts are everything around them: remembering which saved filter produces the right view, pasting into the template without breaking the formulas, and then discovering the CRM total doesn't match the dashboard — now everything stops while someone works out which system is lying. Then the write-up: what moved, why, and what to say about the metric that dipped.
The true cost isn't the assembly hours, though those are real. It's that the job lands on someone senior enough to spot a wrong number, which means a person you hired for judgment spends a recurring block of every week doing collation. And when that person is out, the report is late, wrong, or skipped.