It's relatively easy to develop a prediction model and test it, but has little value if you do not know what parameters to manipulate. Science essentially seeks explanation and the causal relationship between the actors in a system. In this case what human activities are influencing the climate...
quite a lot of people do https://en.wikipedia.org/wiki/List_of_scientific_misconduct_incidents
Many papers have errors in them, particularly statistical errors in medical journals ~.~...
I agree, change the axes units and that could be blood glucose or blood flux. Relatively simple compared to modelling climate but not possible to do deterministically so no surprise that models not always accurate. The real problem in science with modelling has been that people study a model and...