Speaks volumes on how crap Windows 10 is!
Probably speaks louder about how many Which? readers use Windows against how many use other OSes.
10 out of 100 users of product "A" complained
2 out of 10 users of product "B" complained.
Which is the worse product?
(Speaking as someone who has never - other than briefly a cast-off Windows 95 laptop - had a Windows machine at home)
M.