The Debian init system general resolution returns

" Yes, the actual PID 1 is much simpler with sysvinit, but a lot of that is because it doesn't provide much in the way of functionality. Instead, that functionality winds up being provided by other parts of the system. By trying to keep PID 1 simple, you wind up with less functionality and more complexity in the whole system. "

Thank you for stating that so well and concisely.