It’s entirely severable. The article clearly listed multiple distinct topics. Measures could easily be made for each separate one.
It could be, but it wouldn’t make sense as it wouldn’t serve the purpose of the ballot initiative. It’s all based on the same legal principle that the government does not have the right to infringe on an individual’s rights to reproductive control.
I could make an entire encyclopedia of law just under one incredibly generic principle like you’re doing. It doesn’t make it into a specific policy just because it shares a theme.
Look at other ballot measures, like weed legalization. Those simple principles sprung an encyclopedia of laws too. ANY significant change to government policy will do that. Complexity is certainly not a reason to ignore the will of the voters.