Quickly comparing Brk.b to vti over the span of the past 5 years (so no graph hacking) they gained 60.14% and 64.71%, respectively, dividends not included. That

Quickly comparing Brk.b to vti over the span of the past 5 years (so no graph hacking) they gained 60.14% and 64.71%, respectively, dividends not included. That's a much smaller difference than your statement seems to imply.