Answer:
No, I don't believe so. A thesis statement usually doesn't use the word "because" in it. But, as I've said (I've told this to the owner of the question just so no one gets confused in the comments), I'm not good at ELA mate.
Wait- thesis STATEMENT. Meaning it's the CONCLUSION of the paper, so, yeah NVM, it's right mate.
Yes because it gives the reader time to figure it out it lets the reader use his / her imagination
Francine Prose thinks that American High Schools do not teach literary works the way they should. (1) She says that the choice of books is not related to the teen's world of today. (2) She defends that teens can’t relate to the stories anymore because schools do not teach them the stories, instead, they focus on the author’s life or the background of the book. With that, (3) they leave amazing stories behind, stories which teens would love to hear and to learn about.