He provided no evidence. Do some science, don't waste everyone's time with unsubstantiated opinions.
That's actually what Stack Exchange is about, so it's not surprising I guess that there's this impedance mismatch. If you want to just have a bunch of opinions, take it to Quora.
So you get to set the rules for what appears not only on Stack Exchange, but some guy's own blog? I'd love to see your explanation for that.
If you want to see if he has evidence, try asking him. And not in a "it's your job to argue with me" way. Call him up on the phone, ask open questions, and then listen to the answers without being demanding or dismissive like you are here.
That's a pretty basic product management skill. If it's something you're not familiar with, plenty of people teach classes. I know the Luxr folks do a good job, for example.
