The most pertinent part of the equation is that it is not profitable on any timescale businesses consider relevant.
It doesn’t matter what intrinsic value something has. What matters is how much value you can convince external parties to invest and commit .
It’s good to plant trees, but beware of folks using it as cover to avoid more important work like actually reducing fossil fuel usage: https://art19.com/shows/the-climate-deniers-playbook/episodes/5322de3f-ffc0-4258-a890-c648f59bc195
Climate change requires every solution and then a couple more. There is no “less impactful than” with climate change mitigation/reversal. We need all of it and then some.
The problem is not with people focusing in reforestation. It’s with corporations using the funding of reforestation to greenwash or “balance” their more harmful practices. The point is that they need to stop doing harm. After that, how they choose to do good is a secondary issue.