I am not sure if I understand your criticism, but by virtue of not having access to time travel as of yet, most studies tend to be limited and in accordance to

I am not sure if I understand your criticism, but by virtue of not having access to time travel as of yet, most studies tend to be limited and in accordance to our current understanding of the world and humans. While timelessness is an admirable virtue, lack thereof nonetheless does not render a study useless or idiotic, in my current understanding anyways.