Other than the additional capital outlay, this shouldn't prove a hurdle to anyone looking to do similar. Migrating from VSAN to external storage like NetApp is

Other than the additional capital outlay, this shouldn't prove a hurdle to anyone looking to do similar. Migrating from VSAN to external storage like NetApp is a non-disruptive process. And frankly VSAN has always been pretty horrible, so you'll likely end up with better performance and storage efficiency when all is said and done.