The meme that comes to mind is "shocked Pikachu" (ETA: Either that or Don Blankenship saying "no surprise there"). I've never bought the "Pius XII the great protector of European Jewry" narrative, mostly because I don't think I've ever talked to a single Jewish historian or theologian who's advanced it, only Catholics with an obvious motive to defend the guy. It seems like Pius fell (or was led, by this Dell'Acqua guy, whom I'd never heard of but who sounds like a real piece of work) into the "muh credibility, muh he said she said" trap that a lot of people today fall into with claims of sexual misconduct--only with even higher stakes.
It looks like Giovanni Battista Montini (the future Paul VI) was one of the relative good guys in that he took a report (which turned out to be correct) seriously enough to forward it to his then-superiors, who proceeded not to do anything with it. I'd be interested to see if further research, whenever that ends up being possible, establishes that other figures in the mid-levels of the Vatican bureaucracy attempted to intervene or whistle-blow but didn't have the support of their superiors.
It definitely seems on the basis of this like Pius's canonization cause is dead now, at least until and unless the Church undergoes some sort of neoreactionary coup...
You do know Pius saved many Jews in Rome during WWII right? So many that the head Rabbi of Rome became A CATHOLIC.