> I don't really understand why debian switched to it, given that it isn't as
good for older hardware.
What init system you use has nothing to do with hardware support. That is the
kernel (Linux) and the kernel alone.
As for not understanding why Debian switched to it, perhaps that should be an
indication to you that you are not qualified to judge better than them what
init system to use. It is a hallmark of stubbornness to reject an expert's
decision without even understanding why said decision was made.