"In Minecraft" doesn't mean what it used to. When somebody wrote an 8-bit CPU literally "in Minecraft" it used to be badass. Now it's just a game addon.
You speak as if this isn't neat in its own way.
There are multiple ways that something can be "in minecraft"
It was more fun when people implemented gates. :)
Can't they just compete in separate categories? People have been making high-level computer mods years before even ComputerCraft, RedPower, or OpenComputers existed. And people will continue to make pure-redstone computers far into the future. Neither category is replacing the other :)