Verdict here:
www.cameralabs.com/fujifilm-xs20-review/3/
Out of all the drawbacks, the most serious for me is "video autofocus and stabilisation remain a little behind the best systems out there, particularly when walking and talking."
I probably won't use Auto mode much, given that I plan to edit with DxO PhotoLab. Twin card slots seem unnecessary for me. Weather sealing doesn't matter with the lenses I'll buy. EVF could be better.