As much as it does, you don’t really want millions of apples trees everywhere. One way we can help solve this problem is to compost the scraps, then use the compost to help grow another plant. The apple tree itself is also only counting on a few of those seeds even sprouting. If you want you can...
Eating the fruits off the plant doesn’t hurt the plant, after all it’s delicious because it wants animals to come eat it so they can spread it’s seeds. I don’t know about vegetables though.