It would not be real-world in the sense that most OLTP workloads are inserting (or updating) only a couple rows at a time. In this sense it provides an upper bo

It would not be real-world in the sense that most OLTP workloads are inserting (or updating) only a couple rows at a time. In this sense it provides an upper bound on transactions per second, which for many real-world workloads essentially means requests per second (or requests*n per second for small n). However, it's still kind of weak because you really need to interleave those with SELECTs and some UPDATEs to get a decent view of how it would perform in such a case.