Yawn. IBM/AIX's WPARs & LPARs, Sun/Solaris' dynamic system domains & zones, BSD jails. How many times are we going to pat ourselves on the back for reinventing the wheel?
Do you remember VMS on DEC hardware? And again, which decade did that come out?
Yeah, this wheel is going to continue to be re-invented for as long as computers exist.
Yeah, if you are going to run Linux software on Mac or Windows then you'll need a VM. But security is not the reason for a VM.