Who knows. I actually think my case is very straightforward. I already had my interview for the first green card, my husband and I have a toddler boy together, I've been working at a stable well-paid job for over 2 years now, we co-rent, co-loan, co-own quite a few things etc. I'm sure some other people among those whose cases are untouched also have very well-equipped cases. I do need a citizenship since traveling and seeing my family is getting more difficult for my Russian passport these days, that's why I'll file N-400 in March if I don't hear anything on I-751 by then. I hope your case gets approved before April!