I don't think they are dumb...
...per se. The thing, to me, is that they are GREAT conversation starters but, once the minutae starts flying, then, if it's not a simple yeah or nay, people lose interest.
I mean, come on! It's important to look into the facts and figures as to whether or not industrialization per se screws up the environment OR, converesly, the lack of industrialization and to what degree of lack or non-lack that the environment then begins, forthwith, to suffer.
This stuff matters!