I'll be the first to admit that it's not great. There's a pretty wide area between "great" and "unacceptable", and I think that prop 22 is in there.
Regarding 7/8 specifically, it's true that it's "not great" and it's also true that it is "better than the default".
Consider the authors' perspectives for a moment, if only to understand it. One party has a supermajority in the CA legislature, and they are openly hostile to prop 22. They didn't necessarily want an immutable proposition, but they also didn't want it to be immediately nullified. 7/8 seems like a way to guarantee that changes can be made if and only if there's broad bipartisan support for those changes.
You don't have to agree with that perspective but I think it should be said that there's a non-nefarious way to see it.
Regarding 7/8 specifically, it's true that it's "not great" and it's also true that it is "better than the default".
Consider the authors' perspectives for a moment, if only to understand it. One party has a supermajority in the CA legislature, and they are openly hostile to prop 22. They didn't necessarily want an immutable proposition, but they also didn't want it to be immediately nullified. 7/8 seems like a way to guarantee that changes can be made if and only if there's broad bipartisan support for those changes.
You don't have to agree with that perspective but I think it should be said that there's a non-nefarious way to see it.