> estimated points of no return

which is quite different from the assertion of "tipping points being crossed".

these are numbers pulled from the models and, regardless of your opinion, the models are reductions of the truth. We've seen lots of models with flaws or biases.

https://www.hoover.org/research/flawed-climate-models

https://geography.dartmouth.edu/news/2025/01/climate-models-...

https://www.cscs.ch/science/earth-env-science/2024/how-scien...

There may be no tipping points at all.