Quote fromWouldn't people just generate a ton of diamond ores?
If they want to, yes. I can't stop them from creating designs containing tons of diamond ores just like I can't stop them using InvEdit to give themselves whatever they want, or MCEdit to turn an entire mountain into diamond ore, or any number of the tools available to enrich ore deposits to ridiculous levels.
This tool's really about assisting the creative process. If people want to give themselves a ton of diamond then there are WAY easier ways to do it than this.