Where the Pinguin is on the Powerhorse is in. On server side Linux has shown its muscles over years. In the beginning the configuration and setup was a little bit tricky but over the years a lot of distributions solved this problem. Easy install, easy management without any loss of flexibility.
Network security admins love and pentesters hate - This is what BSD stands for. Hardened Kernel and Userspace are nutorious for never been hacked. For real there are very few attack vectors to crack this OS. And in january 2019 atleast 91,6 million PS4 are based on BSD.