[palmer]

In fact, it's because climate models available at that time were insufficient to evaluate the Earth's climate state.

And they are now?

[cogitator]

And they are now?

Yes. Not for accurate predictions, mind you*, but for actual evaluation of current climate influences and trends, they can (and are) used to evaluate Earth's climate

* partly due to unresolvable uncertainty regarding societal, technological, and economic changes in the future