She will, in all likelihood, remember everything eventually. The subconscious has a way of bubbling up, in dreams, in flashes of memories, in sudden spurts.
Ask anyone who has been through a severely traumatic experience, particularly if it involved another person, repeated abuse, or a weapon of some sort. You would think they could remember every detail of such a horrible event, but their memory will be very selective, such as certain sounds, turns of phrase, specific acts. This is another coping mechanism.
As to the rape, that was confirmed by the doctors, not Lynch. She has no memory of it. Again, not a surprise.
Please remember that Lynch never asked for all the hype, never asked to have false stories circulated about her, never claimed to be a hero, and would most certainly trade all this "fanfare" for the full use of her legs again.
You may think her unworthly of all the praise; that is your perogative and many would agree...but she is certainly not worthy of such scorn.