"The trains were designed to break if they sat idle for 21 days or if a GPS detected them at independent repair centers or competitors’ rail yards. Perhaps most interestingly, one of the analyzed trains had code in it that was supposed to artificially lock the train’s compressor on the seemingly arbitrary date of December 21; a NewAg train then actually had a compressor malfunction on December 21."
They need to sue because they're going to go out of business. This isn't DRM, it's just fraud.
Case in point: what else is there not yet discovered? I'm sure there's more.