I've tried watching it about 5 times and get to different points before I burn out.
It has sparked an interest in the works of R.D. Laing for who Lain is named in reference to.
A Psychologist who was active in the 60's and is famous for their work with schizophrenics; I've been curious if their work may give a bit more context to understand Serial Experiments Lain
Also the opposite side to it don't keep hammering into somebody once they've admitted fault and are trying to rectify their mistakes (within reason).
People will be a lot more likely to be confident in admitting a mistake and being honest about it if it isn't blown out of proportion.