In order to buy organic you had to sacrafice quality. Thats no longer the case. There is plenty of high quality organic produce available now. I don't worry a lot about the ethylene treatments. Ethylene is a natural by product of the ripening process to begin with.
Ethylene also accerlerates the ripening process.
The bag keeps the ethylene the fruit is producing close to the fruit so it ripens faster. To add an image, give an address of the image file.