For proper business infrastructure. We are using VSphere for all our clients and it works very well. We can't really deal with half-baked solutions which never translate to the corporate environment.
kvm/libvirt are the industry standard solutions for enterprise linux based distros, and I know for a fact, that multiple mega-corps use it at scale. Pretty much anything Linux based is going to have the best support path in 2023 vs. something made by a company that's being sold over and over again.
SMB do not use Linux. Business owners do not even know what Linux is. In the real world, Linux is nonexistent. Business software runs on Windows.