It’s mostly the same in America - I have an invisible disability or two and it has been next to impossible to get access to the social safety net. The only viable avenue, if you aren’t visibly disabled, is to hire an attorney to work with the system.
That takes an humongous effort that not everyone can sustain on their own.
Why aren’t these systems activated at the point of diagnosis, for example? How many gaps are there in the safety net, really?