No, I mean, Prisma!Illya and UTW!Illya are not the same person.
Whereas the Illya above is probably the same as UTW one thanks to the 'screentime' comment.
Yes, I understand what you meant. What I meant is that UTW!Illya and Screentime UTW!Illya watching her show are not really the same person.
I see it more like a "real life" Illya is watching a dramatization of her life, and they just killed off her character. But, then, this same "real life" Illya will see in a few months, a new dramatization of her life. A more fan-service based, yuri-loaded dramatization.
And then she will see a movie that is yet another dramatization, where she uses a wonderful dress