Not really. It's the very definition of an ad hominem.
If the study uses non-factual information or does not interpret the data by understanding the nuances that may yield different interpretations, then the author's educational background may offer an explanation. But that isn't the critique here.
I think it was the website that name-dropped, not the author of the study. It seems poor form to criticize the study itself based on how it's reported in pop media.
Studies stand or fall on their own merits. The background of the author isn't actually relevant to that. If the study holds, it holds. If it doesn't, it doesn't.
There are 100 clients who expect to pay $15 / hour for every one who will pay $125. It's really really hard to find them but you will find them if you ask 101 potential clients.
Because the track is already in use. Also private companies ARE now starting to run trains on the tracks and building their own. See the brightline service in Florida. Privately owned and run with a great service.
