Don't agree. Lambeau has fans closer to the field than most any other football stadium. The cheering at Lambeau is quite audible and discerneable to the opposing teams, as opposed to a wall of noise created by modern day acoustic design.
It's more difficult to ignore cat calls and personal references from fans 14 feet in back of your bench, in the end zone and all along the sidelines than it is for a cacophony of buzzing noises.
Go Pack Go, and your mother wears army boots, indeed.