If everyone gets away with the crafting glitch and goes too far with it, the waste generated severely affects the crop glitch on a global server level. And if nothing is done about the runaway crafting glitch, it can make the server unliveable
That will only happen if a few chronically online players get together to use their resources to manipulate the playerbase. If that happens the game will die, but certain players just don't care about anything but themselves.