Their credibility and experience makes it more likely that they will have followed scientific procedures correctly, that their measuring techniques will not have obvious flaws and their findings reflect the evidence.
This is not an appeal to authority: the paper will be examined thoroughly by peer reviewers and likely by academics across the world, in part because of their credibility. That will take time. Meanwhile it should be taken seriously.
Their credibility and experience makes it more likely that they will have followed scientific procedures correctly, that their measuring techniques will not have obvious flaws and their findings reflect the evidence.
This is not an appeal to authority: the paper will be examined thoroughly by peer reviewers and likely by academics across the world, in part because of their credibility. That will take time. Meanwhile it should be taken seriously.