Not all of it. When it first came out she led people to believe and it said in the back of the cd that she wrote and produced the entire album by herself. That wasn't the case. And she got sued and ended up paying. This is common knowledge and it's not like this happened 30 years ago.
When you read the credits, it's clear that others were credited as writers and producers. I'm going to read that article, because there's names in the booklet that specifically have co-writing credits. I'm not sure if they got co-production credits, but they got credited as musicians:
The Miseducation of Lauryn Hill - Wikipedia, the free encyclopedia
this is real life walking dead these zombies is running a muck
Those QM reference tracks were absolutely dead and colorless until Drake breathed life into them

