Netflix is in the same boat. They are far and away the biggest streaming platform around, wildly popular, and almost ubiquitous at this point. At least in North America. Who can compete with them? Blockbuster? Their platform is a joke. Hulu? Nextflix is (was) not much more per month, and Hulu still forces ads on you and has asinine and frustrating device playback restrictions on certain content, mainly because they're run by the media companies. Netflix should have all the muscle needed to force their way around the studios.
What they lack, is a strong personality like Steve Jobs in their leadership, who had no issues playing hardball with anyone, anytime.
It's still a bad decision, because if you grow, you're going to be stuck with the fairly limited Hyper-V and have a more difficult migration path into VMware when you're ready to join the big-boy world. But it's still a tempting deal.
That may be true, but how many shops do you know of that actually use HyperV? VMware dominates, Xen a ways behind, and Linux KVM and VirtualBox back aways. I don't think anyone actually runs VMs under Windows, it's rather the other way around.
Microsoft has been making some inroads with Hyper-V with mid-size businesses that are already 100% Windows environments - especially ones that haven't quite started down the virtualization path. Their licensing is attractive to these smaller companies, compared to VMware (at least the higher-end vSphere offerings). And it's Microsoft, which they're already comfortable with.
VMware destroys Hyper-V in just about every possible way at the enterprise level, but mid-size companies often don't need all the bells and whistles that vSphere offers, even as cool as they are.