If numbers don't matter, why is there an ISF organization training how to?
Why is there a THX spec for theater on screen foot-Lambert numbers? That is 16 f-L, by the way so that can be your guide to brightness, if that is a current THX certified theater as when THX measured theaters, the average was 11f-L and some as low as 7 f-L.
Why is Runco publishing the Cinema Standard Measurement System guidelines?
Why do we level match speakers?
Some numbers are useless, ANSI Lumen, others have meaning foot-Lamberts at calibrated standards.
Besides, I like numbers, just in case you didn't want to guess.