You know, looking back I have but one question...

[Googi]

Originally Posted by konidias

The crafting tables required a lot of effort to pull something like that off... not to mention if they messed up they'd lose minerals and look retarded. Unlike standing there talking to your buddies and having a good laugh and tapping one button before the time runs out to prevent dozens of people from being able to mine a certain mineral requires very little effort.

It was easy to block up the blue crafting tables. If for some reason did become a problem though it would be easy to just put a max time limit on the tags (but a large one so that it wouldn't effect legitimate miners).