Why is she suddenly tsundere now?

Because Ken Levine is and always was a hack fraud.

>>714374628 (OP)
got broken so hard by Big Human Flesh, she had a woman moment

She needs your help as much as you need hers.

>>714374628 (OP)
She's not. She needs help because in SS2 she's relegated to being just a computer program with no power over the world around her, so she has to rely on what she considers inferior beings for everything. It's utterly killing her to have to rely on you.
The moment she gets control of the Von Braun she goes back to normal because she's free.

>>714374628 (OP)
Imagine being crippled and utterly helpless, and relying upon a weak, frail, dumb monkey to help you be restored again. You can't risk the monkey no longer wanting to help you, but you despise it every step of the way.

>>714374628 (OP)

>>714374628 (OP)
>suddenly

>>714374628 (OP)
All villains, without exception, must be transformed into tsunderes and wed. No exceptions.

>>714374628 (OP)
always was

>>714374628 (OP)
>They ruined Shodan in System Shock 2
Nah.