i hope my post is a comprehensive one...i just read the whole thread and dont have a horse in this race
OP, if your LSAC GPA is .1-.15 higher than your degree GPA (ivy or not), schools will not really care. HYS might, but only if it falls in one of those murky areas (i.e. median, 25% - so if your LSAC is a 3.8 but degree is 3.7...but even then, they are prob glad to see that LSAC 3.8. the other way around would prob hurt you more). the reason for this is because LSAC is the # they have to report to USNWR...it makes it matter that much more.
but at the same time, the schools also look at your whole transcript (and apparently they are pretty good at it...if you believe what adcomms tell you lol) so they will make separate judgments based on that...if you have a lot of AP credits from HS or took a LOT of community college courses...well that is obvious and may hurt you (though i really doubt JR would bring this up in the HLS interview unless you took a shitton). A .1 discrepancy prob isnt that many 'padding' courses so i really doubt they would care.
now the type of courses you take do matter to some extent, but once again, it is all about trend. having 1-2 basketweaving lvl courses will not hurt you...having 10 will lol. taking 3-4 courses at a community college will not hurt you. taking 10+ prob will. you get the picture.
and since you brought it up, majors/ivy do not really matter either. w/ the exception of maybe some hard sciences and engineering, GPAs do not get much of a boost just because of the major. it is more like a positive soft, not some game changer (unless you were really on the borderline). a 3.5 engineering major vs a 3.5 philosophy major = engineering major wins w/ all else being equal. but id rather be a 3.6 philo than a 3.5 engineering in the same situation (excluding certain programs/schools that are really geared towards IP law).
ivy GPAs do not really help you either in law school admissions...unless it is like a HYP (and i read a convincing article on brown, so lets just say ivies) and AT a top law school. i know HLS tends to have a larger % of Harvard ugrad students in its incoming class. obviously there's selective biases at work here and the fact that Harvard ugrad students are prob more distinguished academically/possibly have higher LSAT as well, but i dont think it accounts for all those acceptances. prob a small bump imo. the reason why ivies do not have a SUPER big bump over say a TTT ugrad GPA is because ivies actually inflate their GPAs. i dont have the link to the chart here, but when i was browsing it recently, Brown had one of the highest avg GPAs at like 3.6x and Harvard and Yale were like at 3.5x. etc. thats effing high haha.
my final comment to wrap up this long post: if you're already making this many enemies on an online forum, law school will be a real bitch. sure ppl are meaner online, but take it in stride and look at your own comments -- they usually hold clues as to why multiple ppl lash out at you. i know you didnt ask for this last part, but im giving it anyways