Tl;Dr they all failed because they're init daemons and not entire system management daemons. Article gave a nice description of the different choices but I gave up reading after runit because the reason for failure always boiled down to
It's only an init daemon
Honestly, I get this is a joke...but it unironically wouldn't impact me, I run single stack v6, so let's do it. I'll grab some popcorn