Some of it also depends on use case... Some people use containers like lightweight vms. Others use it as a way to ensure a solid/consistent userland per proce

Some of it also depends on use case... Some people use containers like lightweight vms. Others use it as a way to ensure a solid/consistent userland per process. Others still blend the two in various ways... I tend to think of it somewhere "a little more than just a consistent userland" but not a full running os image.