First off, full disclosure: I'm nuts about the original Suspiria. I don't personally know anyone who's a bigger fan of it than I am.

That's why it feels almost sacrilegious to admit this: there are things that Luca Guadagnino's Suspiria achieves that Dario Argento's should have but didn't.

2018 Suspiria actually manages to inform the plot with the historical subtext of the time; in 1977, Berlin was in socio-political upheaval. It's a sinister undercurrent spoken off in the background on…

Well, that's definitely one way to introduce tension and drama.
That statement may sound dismissive, but I actually think it's a more creative way of doing so rather than introducing a new man or woman to mess up the main couple's relationship (which it almost did; more on that later), even if the set-up at the start isn't as smooth as it could have been.
We will always wonder what a normal (i.e. non-pandemic) situation would have allowed this franchise…