I'd say you are misreading it because there are no "blatant signs", just people putting 2 and 2 together and coming up with 756. It will also not "be made to happen" either because it simply is not happening, no matter what anyone says or wants.
Yeah, not the best meme reference when you think about it.
Even without Ep 6 it's debunked because not only does she talk about her sister on the date with the MC in Ep 4 as though she knew her and grew up with her, we have this:
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A picture of what is surely a young Jill on her sister's shoulders, and that sister is most definitely not Lynette.