Considering that we're already approaching a Paleocene-Eocene Thermal Maximum analog at up to ten times faster than the onset of the PETM (one of the largest mass extinction events) [1], I’d say it’s pretty much game over.
[1] "Atmospheric Methane: Comparison Between Methane's Record in 2006–2022 and During Glacial Terminations" (Nisbet, Manning et al. 2023)
[1] "Atmospheric Methane: Comparison Between Methane's Record in 2006–2022 and During Glacial Terminations" (Nisbet, Manning et al. 2023)