Weight is also a proxy for how much energy it took to make a product. If you only use your metal or glass straw / jar / etc that weighs 5x what a plastic one do

Weight is also a proxy for how much energy it took to make a product. If you only use your metal or glass straw / jar / etc that weighs 5x what a plastic one does a single time, you aren’t saving anything. Yes the metal one can be recycled, but do you think the recycle rate on those is high enough amongst the general pubic for them to come out ahead environmentally?