Never really, because they don’t contain logic. You craft a command line and stuff works.
The problem with sysv was that almost all of the logic lived in the scripts. They all worked slightly different and all the duplication introduced bugs. Systemd has APIs that take over all the duplicated stuff and implement it once. Bugs have to get fixed once only.
I haven’t had to debug a bash script since systemd became a thing, so I have a vastly different experience from you.
but how many times have you needed to debug a unit in it’s stead?
Never really, because they don’t contain logic. You craft a command line and stuff works.
The problem with sysv was that almost all of the logic lived in the scripts. They all worked slightly different and all the duplication introduced bugs. Systemd has APIs that take over all the duplicated stuff and implement it once. Bugs have to get fixed once only.