What mrmo said. The myth of putting a silver spoon the neck of a bottle of champagne to keep the fizz still persists, simply because barely anyone ever has two bottles of champers open at the same time.
And people at school kept telling me their Sega Saturn was great.
This kind of owner review is generally very unreliable, so my view is that it’s best to do a bit of poking about. I was once in the market for an old Merc. A poke about some Merc forums told me how bombproof they were, along with “Watch out for XY&Z”. A bit of questioning revealed running costs due to common faults that would shame far less prestigious marques.
Or to translate that into bike brakes – everyone says their brakes are great, but if you look for the folks who say they never have to do anything to them, the answer is generally Shimano or Magura.