Naturally, the Warmists know the exact correct amount - too much and the planet overheats becoming Venus-like with a sulfuric acid atmosphere, temperatures soaring to 800F; too little and in 100 years where you live will be under 2 kilometers of ice.
Achieving this delicate balance after runaway fossil fuel use by greedy conservatives, Federalists, and sundry dictators, is why the Warmists are so much smarter than most people, certainly smarter that the average FRer.
CO2 does not drive warming. Warming drives CO2.
Only problem with this theory is the ice core data from Antarctica and Greenland show that at least for the last 400,000 years (Antarctic) CO2 has been a lagging indicator, lagging temperature change, not leading it.