It seems like the opposite to me, it’s a no-brainer that predicting what will happen to an immensely complex system, and making all these assumptions about what will occur 50-100 years from now is going to be hotly debated.
a casino can't predict the next 14 blackjack cards, but somehow it can predict the profit over the next 365 days (millions of blackjack cards)
just sayin.
What's impressive is that some people are so invested in not understanding climate that they reject the notion that larger trends can be bloody obvious before anyone can predict day-to-day variances. (Again, a basic principle that our stone tools ancestors figured out.)
A poor analogy is that you can’t predict where an atom is located and its speed due to quantum, yet when you average over a bunch of atoms you some pretty useful bounds on the shape of the problem.
Also, we already have plenty of data to evaluate the models - climate models are underpredicting the consequences (ie things are hotter and more volatile than climate models predicted). This indicates the models are conservative about the predictions in the wrong direction (you want to be predicting 20% worse than reality than 20% better because of it impacts planning). The reason they’re likely wrong is that we don’t have a full accounting of the ways in which human activity causes warming.
Obviously, meteorology doesn't work over a 50-100 years time frame -- "What's the temperature on January 20th 2064 and 9PM" is an impossible question to answer. But climatologists are not attempting to answer the same question as meteorologists. They're studying a much easier variable to predict, which is averages of phenomena, where all the short-term complicated meteorological noise cancels itself out due to the law of large numbers.
What we can do is predict the arc of motion of the centre of gravity .. that's climate.
It's a no-brainer that anybody who confuses the two and hasn't put in the work to raise their understanding to intermediate axis instability is below the bar for admission to grown up climate modelling discussions.