One other difference I think I note between Bobby and John is that Bobby has an absolute vision of what it takes to get the best sound that he believes in and shares that openly with his customers.
John Strohbeen will provide guidance when asked but is more about giving the customer what they want rather than what he thinks is best. He will tweak his standard designs as neededif the customer asks, as long as he does not see any inherent problems.
Both approaches have merit depending on what the customer is looking for.
the downside of John's approach is I think sometimes the customer thinks they know what they want and John oblidges, then they may have second thoughts afterwards.
Intetesting too that generally John recommends NAD amps if someone asks which to use with the OHMs. Personally, I think you can do better if your goal is the "absolute sound", but NAD offers good value for most so I understand why he does that.