If you don't give Evaline the paper, she doesn't blackmail you, she does offer to make you her sub or train you as a dom (depending on your first dream sex choice with Tara), or offers you a date if you refuse.
My understanding of why the rework happened, was because the code base was a nightmare to work with because BWG had too many choices initially, they had to cut down the number of choices to make the time between updates reasonable. Overall I would say this is a reasonable compromise, even if I liked the variance in the original.
Honestly, I liked the very branching paths, and I will still do them to some extent but I am going to be much more thoughtful about them before hand this time around. And if I had a team of writers I would go deeper. I thought it fun that there was all these hours of content with Evaline that most people had never seen.
And while narratively, the original works better with Ms. Harper, mechanically I did think it a bit unfair. Being able to date harper being locked behind not wanting to help Evaline cheat on a paper doesn't make sense from a gameplay perspective. Especially since you hadn't even met Ms. Harper at that point and had no way of knowing that this choice would lead to that.
Therefore this was a bit of my compromise. No matter what you do with Evaline you can still be on all 3 major paths with Ms. Harper while still locking options based on past choices and personality.
You can only date harper if you helped Evaline cheat if you are dominant and tell her to fuck off. But at the same time you can only be a sub if you blew Evaline off if you went hard into the sub option at the start of the game.
I did my best to meld both narrative and gameplay as best I could.