Stringing them along and wasting more of their time and money was the not a dick option? I'd say that's the be more of a dick option. I'm all for walking out on a shitty job, but it sounds like their worst crime was not giving you as good an offer as somewhere else.
Clearly he didn't buy it for that either, since he chucked those out the window shortly after purchase. Pretty sure he spent billions of dollars to shitpost and create a safe space for nazis.