There's not a significant amount of discourse suggesting that this is a natural cycle: https://news.cornell.edu/stories/2021/10/more-999-studies-agree-humans-caused-climate-change
Rhetoric like yours adds uncertainty where there is extremely little to be had.
These cycles also perpetrate over millennia, not decades, which is the current scope of detectable change we're dealing with.
We do, and you can even run it in your browser!
https://sethm.me/worm-sim/