Electronics are most metals (like gold and copper) and ceramics. How is water going to hurt them. Like I said earlier water ONLY hurt componets when electricity is applied and when the components are still wet.
Plus keyboards only use about 5VDC and less then 1 amp. Remote controls are even less then that.
Now would I go out and put my CPU or harddrive in the dishwasher...NO. But I have done it to my motherboard and to ensure that it was completely dry I baked it for 6 hours at 150 F before putting it back together...and it still works today. I did that because when I was taken out my out motherboard I spilled a Mountain Dew on my brand new motherboard. That sucked!!!