Why should anyone believe that? I mean it might be true, I don't know. But if such a report turns out many fundamental issues it doesn't quite sound plausible that a redesign would suddenly not have any issues anymore. It might have fewer issues, it likely will have different issues as well though.
[dead]
Because this is why companies pay for jepsen tests. Not because they enjoy to be destroyed in jepsen report, but to fix the issues.