LSU's issues are not unique
One of the problems with being a fan of one particular team is that you tend to lose perspective on the sport as a whole. Every flaw of your own team is magnified, and every mistake seems to be unique. Part of the hyper-criticism of Les Miles is based upon the mistaken belief that Other Teams Don't Do This.
A lazy Saturday on the couch, watching the best teams in college football compete for conference titles, should have disabused anyone of that notion. This isn't to say that Miles is immune from criticism, mistakes are mistakes and they need to be corrected, but let's not start from the point that Good Teams Don't Do This.