Is not it easy to remove everything from:
default.target
basic.target
graphical.target
...
and then add whatever we want to start or to execute or mount?
I do not really care what systemd CAN do, but really care what it is doing on my system.
So, may be some cleaning will be the wise solution.
One would like to eat fish
Eat one's cake and have it
И волки сыты и овцы целы.