Not at all, it means that many mistakenly use Linux syscalls as synonym for POSIX, thus making the same lock-in to GNU/Linux as Google, Apple and Microsoft do to their own systems.
*BSD devs jump of joy having to port GNU/Linux applications that depend on D-BUS, systemd, or any other Linux specific APIs.
Given that *BSDs also have many of their own extensions, (ie openbsd has many security extensions to the POSIX standard), that isn't the best example of a defense.
*BSD devs jump of joy having to port GNU/Linux applications that depend on D-BUS, systemd, or any other Linux specific APIs.