It's technically doable — just a lot more expensive than not burning fossil fuels in the first place. So nobody is doing it at any kind of meaningful scale, and we get what are basically exercises in doing very tiny amounts in order to create social permission to keep on extracting and burning.
What did you think? The other option is upending the power and economic structures of capitalism. That was never going to happen. They’ll literally let the world end before that.
Directly removing carbon from the atmosphere is a growing industry called "carbon capture." Of course, the fact that it's structured as an industry is not ideal.
It's important to note that the rates we humans tend to build things is far from linear. A path to the high number listed in the article of 5.5 BT of CDR might like look like 1BT in 2030, 2BT in 2040, 4BT in 2045, and 5.5BT in 2050