Why do most Jonas brothers fans feel SOO bad for nick because he has diabetes?

Why do most of them fell super bad for nick? just because he's a celebrity? there are millions of other people who have diabetes and they don't get cared for. Much more bigger celebrities have diabetes and nobody cares about them. i mean a girl i knew told me that diabetes is not a big deal and that it really is'nt that bad. So why most of you jonas brother fans feel so bad for nick?