This. This. So much this. It is my life, if I want to go to the more expensive school that is my deal, not anyone else's here. Stay in your own lane.
That being said going into any +100k debt without a plan is just idiotic, the more idiotic with the more debt. HPSP, NHSC, rich parents, other scholarships, joining a parent/friends practice with a high starting level, finding a sugar daddy, working overtime for a few years, doing some accounting magic over 30 years, etc etc are all 'plans' for dealing with potential debt.
IF your plan is 'go straight into work as an associate after graduation and make monthly payments for 10 years and then be debt free' then yeah, a private/OOS school probably isn't the best move for you if you have a cheaper option. This isn't a bad plan at all, definitely the easiest and most direct one.
But guess what, I have a plan. I actually have one plan already happening right now and two other plans that may or may not come to fruition over the next year or two. Then I have a few extra plans in my back pocket in case those fall through. A lot of you will think I am stupid for turning down my instate schools (if I am fortunate enough to get the chance) and who knows, maybe in 15 years I will look back and be like "dang I should have listened to SDN my life SUCKS right now". But I know myself and I know that an extra 90k isn't going to be the end of the world.
TL;DR If I want to spend an extra 100k to go to a school I actually want to go to, it's my deal, get off my ass.