As a drug it's actually pretty benign.
But every time I buy coffee, I am feeding the beast of global exploitation and environmental damage.
Compared to drinking coffee, the alternative is: simply don't do that. And if I take the alternative, the carbon footprint, other environmental footprint reduces a bit and reduces the profits of exploitative power structures.
The industry is just a waste of fossil fuels and logistics, really, seeing as it serves no particular purpose because life runs just fine without coffee.
It's not benign. Causes a lot of health issues. Caffeine itself is bad, but coffee is the worst of them. I'm feeling so much better after quitting long-term addiction. The book Caffeine Blues as well as some others talk about all the problems or https://reddit.com/r/decaf
actually linked to lower rates of depression and parkinson's