No, no it is not. 

She reaches his dick and starts to suck him. 

... she's put him in a position where she can't talk, meanwhile he can babble on. She can be silent, and it makes sense,  how could she say anything. And he keeps getting to be a ventriloquist dummy.

It's... something,  that he can see how this will go.

Maybe he's wrong but... he doubts that.

It goes in the exact direction he'd expect. Saying things that are so sweet and so tender, things he'd say to Wei Wuxian, things he'd be too embarrassed to say to Wei Wuxian...

This is all... good practice. That's one way to look at it.

And Pollyanna is so happy she doesn't need her crutches.

She gets on top of him and pushes him inside her.

His internal reactions and what she's making him do are, for a brief moment, aligned.

She kisses him and rocks back and forth on his dick. 

This is fine. She could be controlling him to do so much worse things.  Using him for her pleasure is honestly an improvement.

She makes him say "I love you. I'm so happy to be with you. I want to be with you for the rest of my life."

It's okay! It's not entirely inaccurate!

She makes him add, "I want to have a baby with you, I hope I give you a baby."

Aaaaaaaaaaaaa--

It's not possible. He knows that. The manual promised and it's never lied before. 

But the idea of bringing someone innocent into this. Of doing something to Meng Yao that would involve causing her pain and an absurd risk of morbidity--

Aaaaaaaaaaaa

She makes him say: "it would make me so happy to have a child that's made of me and you..."

He is going to cling to being fine with broken fingernails.

If this is what he wants, then human sexuality is wonderful and diverse, and if she's just trying to hurt him,  then that's more about her than him.

It's just words and he doesn't have to mean it or picture it. 

She begins to fuck him harder.

This he can do. This is easy.

He is getting a good grade in paralysed dildo, something reasonable to want and possible to achieve--

She pulls him towards her and kisses him, gently, lovingly, and she keeps going at an intense speed.

And he can think about how he wishes he could do this on his own. She doesn't have to puppet him to get him to kiss her--

He comes.  It feels-- weirdly physical.

She pulls off, and he can move now.

"Do you think you've made your point?"

It may have sounded more 'first wizard spits defiance at his captors' if his voice wasn't so shaky and if he wasn't slowly collapsing to the floor.

"I have this spell because I'm, not to put too fine a point on it, evil. The One claims to be good. What do you think of serving someone who would give that spell to you?"

She has good inside her, he knows this. 

"...j-just because I can doesn't mean I will."

"Of course not. But what if you're taking instructions from someOne who wants you to?"

He can come up with justifications for why that's a thing he could do: the One couldn't allow some other more sensible bit of magic to happen without allowing that;  or some people would actually want that to be possible. (Getting puppetted by Wei Wuxian would be the worst sort of teasing, but not bad.)

"...I'm not sure trying to convince me you are more trustworthy than the One is going to work the way you think it will?"

"Oh, I'm not asking you to trust me. Think about it for yourself."

She leaves.