Mine's Bigger than Yours!

Is it just me, or is there a kind of schoolboy competition emerging in certain quarters of the analytics community, particularly those where Big Data is revered? Take this tweet from the normally level-headed INFORMS CAP people:

What was the largest #dataset you analyzed – vote now and see results http://t.co/rbK9uNtZfc

— CertifiedAnalytics (@CAPcertify) August 6, 2015

I mean, decision quality can only increase as you add more gigabytes, right?