@remi said in Precisely Estimated:
Because this makes it impossible to judge the individual merit of the authors.
Which should not, primarily, be the purpose of a scientific paper. You're looking at this like a University Adminstrator - "Scientific Papers are a mechanism by which we determine who's earned a promotion." In fact, Scientific Papers are the mechanism by which the people who performed an experiment describe the experiment and the results the measured. Their role in grading scientists is just a (sometimes unfortunate) byproduct.
If you want to judge the individual merits of the authors, look to see who wrote the papers interpreting and extending the results of the experiment.