To undercover the truth, she was suspicious of Deigo being alien.
Who was Valerie?
To kill her.
To whom Hannah call Helmet?
Why Clay had nervous breakdown in season 4?
Betrayal Crying Burger
What happened to Hannah?
They murdered Clay in court.
Why Courtney is on Hannah's tape?
Who was Ani's ex-boyfriend?
Who killed Bryce?
Agreed, she was not raped on school property, but, she went through a continuous harrasment. Hannah's parents blamed the school culture. For example, previous coach knows about clubhouse and instead of informing higher authority, he supported those guys (Liberty worshipped Sportspersons, so their acts are easily ignored), rumours and defaming list about a person circulated in whole school and no authority person were aware about it, school firing Mr Porter because he spoke truth and named Bryce as Hannah's rapist.
About parents, Hannah was betrayed after knowing her dad cheated on her mom. She lost her trust and she was not sure whom she should trust. Also, like you said, her mom ignored her first cry, deeming to be as typical new school problems.
I never understand that why people hate her so much like they started hating the actress who played Ani. I was upset with her like when she said she knows everything about Hannah, even when she never met her or listen her tapes (Clay asked her twice and everytime she denies that she didn't needed to listen those tapes which were posted online).
What I got is that people didn't enjoyed to listen narratives from a new characters and how easily she knows everyone's secrets.
Overall, my favourite is Sheri, she is one who took responsibility of what she had done in past and tried to help the group. Tony is second. Clay was favourite till season 2, I still like him.
Characters whom I hate are Courtney, Bryce, Monty. I don't wanted to sympathies with Bryce and Monty just because they're dead.
She didn't said right words to right person. She was in depression after what happened with her. Depression is mental health problem. It was somehow justified that she could not able to speak as she was blank from inside, but, I believe she could have share her one of the tapes with Mr Porter, through the ending wouldn't be emotional and heartbreaking as it was.
How can she be alone responsible for her rape and humiliation?!
School Administrator was obstacle, they were not letting Bryce arrest and some of them knows about clubhouse activities.
You know, someone said right, we start caring about people when they are dead.
I agree. Even I am annoyed with her behaviour in season 4. What happened with her is horrible, but she can't treat other guys like they're some kind of garbage. I believe she is not clear of what she wanted to do, so she is experimenting with others feelings to know about how actually she is feeling. She could say no to Alex before making out with Justin. She betrayed Alex's trust. I know she loved Justin, but her acts in season 4 was unreasonable.
I actually like her in season 4 (not completed yet), she was Clay's ex girlfriend and also witness in Bryce's murder and it was her idea to setup Monty, so yes, she is prominent character.
In the beginning of season 3, I don't liked her because she doesn't know Hannah and talk about her like she knows everything.
But, she is nice and was trying to help her friends.