Because MS is more and more in the business of selling the operation of software as a service, instead of selling licenses for their customers to operate themse

Because MS is more and more in the business of selling the operation of software as a service, instead of selling licenses for their customers to operate themselves. Think of them like a wedding event rental company, they are more than happy to rent you their own brand of tables, flatware, and silverware, but if you want another brand that’s fine too as long is you buy from them.