Nobody want to stop normal benchmarks like rendering, DBs, AI, etc... but I think of a more relevant use case such running tens of VMs, all at the same time with different workloads like webservers, DBs, AI, backups, mail servers, etc..., all running at full load and measuring metrics like throughput, latency, time taken to complete tasks and power usage.Being a CPU geek, I like to see how well a CPU copes with issues like global communication. So, I'll never want to see people stop running scalable benchmarks that use all the cores.
In part phoronix already do some of this but not using an heavy loaded hypervisor.