> can be argued is worse for the environment.

Worse utilization doesn't mean worse for the environment overall, especially considering the extreme damage conventional farming leaves on the health of the soil, as one example.

> Organic uses pesticides yet they advertise themselves as not.

I do think that it's frustrating the level of permissiveness that the term "organic" encompasses in the US especially, but pesticides aren't required for organic farming -- check out Permaculture.