The people who live near the glass recycling foundries, and the environmentalists pissed at the footprint of the continual energy requirement to melt it all down and move it around.
Also, it doesn't further enrich/entrench the oil industry to the same degree as most plastics based manufacturing does.
> Environmentalists are pissed wind turbines kill birds.
Those are not environmentalist, but people who are trying to find any excuses to oppose renewable energy. Environmentalists know that wind turbines kill a fraction of the numbers of birds killed by things like house cats or power lines.
Also, it doesn't further enrich/entrench the oil industry to the same degree as most plastics based manufacturing does.