From my personal experience...Mondays where there is a holiday isn't that awful. I went on MLK day, Labor Day, and Memorial Day and don't remember it being overly insane. Busy yes, crazy packed, no. I think some people get scared off by holidays which can help. However, I went on a random Monday in late July (I think July 23)...that day was RIDICULOUS! To the point where I am not going on a random Monday anymore. My friend and her boyfriend went on another random Monday after I told them about what I experienced, and they went home by 12 pm because it was just too crazy. And they are never going back on Mondays anymore lol.