Regarding difference between rights and expectations, there are two layers, there. There is the laws that apply to anyone with the rights that apply to anyone, and the laws that apply to citizen and the rights that apply to citizen (which rromas are not, most of the time). I'm not a lawyer, but I would tend to think the laws most often apply to everyone and the rights most often apply to citizen, except for basic decency. There's an exception regarding the laws : when a law makes mandatory for a child to go to school, it is usually only about citizens' children.
Now, we could certainly ask more of those people to disband mafias and enforce human rights. But I'm not under the impression it's what we try to do, in europe. What I see most of the time is attempts to push them away and to hell with them.