At AXPONA - seminar on room treatments- common mistake is to overdamp. Each room is unique, so measuring the room helps to indicate problems including differences between left and right speakers so that one can specifically target solutions to address - what frequency range needs to be reduced, and what products would address that specific frequency problem.
Room treatment can be addictive
Once you start, it is hard to stop. Like everything else in this hobby.
Also, how does one go about creating another Audiogon Forums Topic? This area
is certainly as important as “Cables” or “PC Audio”.