It’s been much, much higher in the geological past and the Earth was not incinerated, crisis-troll.
As I stated above: The CO2 to temperature link is very weak and if it were not weak we would have had runaway greenhouse a billion years ago.
So we agree: extra manmade CO2 is not a problem in any way. We know that it has several benefits and it would be foolish to try to reverse that rise.