If you've probably noticed, you'll probably see a donator in-game without a skin, Which means that you have the default skin, which is the Steve skin. Anyway to the point, if you see a donator in-game and you notice that they don't have a skin, That is because they are starting to take away the donator ranks from each server, But they haven't confirmed the decision just yet, but the skins are starting to fade away, If you have a look at the people without the donator rank, you'll notice that there not Steve's. I know most of you already know about what may happen in the future, and some of you don't, well there have been several threads about the descsion, but no said anything about the skins, So just heads up, thanks for reading I hope it helped.
Actually I thought it was a bug with the color names plugin for donors that have been added on some of the servers...
Here is the case server donations will most likely not be shut down however when you donate to a server you most likely will not get a kit or special items.
Anyway Minecraft will also loose probably 75% of its people. Servers like thehive woodycraft hypixel that run up to 12k online wont be able to stay up without donations.
Mojang feels like it is unfair to restrict access to normal Minecraft items. They are fine about plugins but not Minecraft items.