I assume you are implying you disagree with the summary given, and not making a general observation about how some studies are flawed.

Aggregated by date:

   2026 3
   2025 7
   2024 1
   2023 3
   2022 1
   2021 1
   2019 1
   1984 1

Given the time needed to gather data, write it up, and go through the peer review process, this is about what I would expect for up-to-date empirical findings combined with some background base understanding.

Can you suggest some better and more recent empirical findings?

Which ones are wildly outdated?