Tweek the models the way you want, make the assumptions you want to make, and the models will deliver any answer you want.
What the modelers claim to be able to do in this case cannot be done.
We do not have the data or the knowledge of how the atmosphere and feedback loops work to do it.
Garbage in = Garbage out.
The model is likely very good at generating government funds.
Same computer science that counted 100 Biden ballots & 100 Trump ballots:
Results: 125 for Biden 75 for Trump