>>/6421/
wrong board, I think?

 >>/6415/
while I am not too fond with The Cutie Remark, I think that the parallel universe thing was meant to be metaphoric for her actions to be consequential yet nothing that happened in that finale should affect to the actual Equestria. Just that time travel is an awful plot device to hold onto for going through that route and when it´s done incorrectly, it turns into an utter mess. Only a few writers manage to get into it and get away with it and get a flawless execution (otherwise the plotholes are doomed to be huge)