There are lots of trees.
And any tree can produce necessary oxygen, but each type of tree has a different yield. So we can be picky about the trees we plant.
Some produce sustenance.
Some produce shade better than others.
Baobabs produce chaos and can destroy your home (if you live on planet B-612)
There are family trees, organizational trees, (I’ve even heard money grows on some).
What are your trees giving you?
If it isn’t good, or anything at all, the right course would be to uproot and plant one with a better yield you can use.
Would you do that with your job?
Your friends, your routine, your food, your habits?
Why give more of ourselves to things that don’t yield?