So you went to the CFP 2 times, and had a championship or 2 in 100 years, with 1 of your 2 CFP's FINALLY(BOUT TIME), happening last season.
WSU won a Natty or equivalent of a Natty, went to 2 Rosebowls, went 11-2 in 2018.
Reason mention that, is a difference between UW, and WSU is that when, if UW has a great season as a outlier, UW thinks it makes them elite, where when, if WSU has a great season, as a outlier, WSU does not think that makes them elite.
Tiers
Elite
Ohio St
Great
Michigan
Penn St
Oregon
USC
Good
Wisconsin
Michigan St
Above average
Nebraska
UCLA
UW
Mediocre, Average
That's 9 teams above you that either better then you, are better historically, are better traditionally, have more money, have better bigger recruiting area, recruiting, and usually better coaching(with the exception of UCLA, and throwing out your 1,2,3 good coaches as exceptions(WSU has had Price, Erickson, Leach, but that doesn't mean that WSU has had great coaching. Those good coaches were the exception, just like the 1,2,3 exception coaches at UW)
Next season. Your going to get pounded by the 9 teams above you. And you won't be getting a favorable schedule, favorable home schedule. And new coach, new players, almost all starters gone, massive defection via Transfer Portal, massive decommits, lower ranked recruiting class, etc
Because of that you'll finish 7-5 at best, 5-7, 6-6 at average, 4-8 at worst.
If USED TO BE ELITE Nebraska, who historically better then UW struggled when they went to Big 10, then UW will probably struggle as well.
Your the 10th best team in the Big 10, middle of the conference, just barely slightly above average, to average, mediocre
Stop being illogical, delusional thinking UW is going to be good, great in Big 10.