Fabulously wealthy brand ambassador and Vice Media boss Shane Smith spent $300,000 on dinner in Las Vegas last month.

Parents: when will they learn to, ugh, just give me the check mom, don't say anything? It's bad enough that the Wall Street Journal was able to cobble together enough material to even write this trend story on concierges that serve college students—the type of indulgence for the idle rich that can enrage young and old…