For many classes of software, sure. But there are plenty of reasons to isolate the entire OS. And Linux containers (not docker per se) are very inexpensive. Bei

For many classes of software, sure. But there are plenty of reasons to isolate the entire OS. And Linux containers (not docker per se) are very inexpensive. Being able to compose using off the shelf packages and binaries and use userspace effectively provides a wonderful space to build solutions. I can use any language I want, any tools I want.