There is no evidence for projected warming <3-4C of any tipping points that significantly change the warming trajectory. Read what scientists say instead of speculating-

https://twitter.com/MichaelEMann/status/1495438146905026563

https://nitter.kavin.rocks/hausfath/status/1571146283582365697#m

https://climatefeedback.org/claimreview/2c-not-known-point-of-no-return-as-jonathan-franzen-claims-new-yorker/

https://www.carbonbrief.org/in-depth-qa-the-ipccs-sixth-assessment-report-on-climate-science/#tippingpoints

"Some people will look at this and go, ‘well, if we’re going to hit tipping points at 1.5°C, then it’s game over’. But we’re saying they would lock in some really unpleasant impacts for a very long time, but they don’t cause runaway global warming."- Quote from Dr. David Armstrong Mckay, the author of one of recent studies on the subject to Newscientist mag. here are explainers he's written before-

https://climatetippingpoints.info/2019/04/01/climate-tipping-points-fact-check-series-introduction/ (introduction is a bit outdated and there are some estimates that were ruled out in past year's ipcc report afaik but articles themselves are more up to date)