I think it might be Atari or Nintendo nes. or maybe Mario or pong. honestly I am not 100% sure what they mean by "mainstream appeal"
Individual decision making is more limited than collaborative decision making because as an individual you would only have one or two points of view on the subject as well as knowledge and ideas. If you were to work with more people to decide on something then there would be a good chance that everyone would be able to pitch in ideas and different points of views to overall decide.
You can help someone with an eating disorder by talking with them and listening to them. Therapy helps, sometimes along with mental hospitals. Understand what an eating disorder is before you try helping someone that suffers with it. Just like someone who suffers with depression or anxiety, you don’t always know what the individual is going through. Something that sounds dramatic or weird to you may be completely normal and everyday issues for someone suffering with any kind of mental disorder. So always try to be open minded and understand when trying to help an individual with an eating disorder or any kind of mental illness. I hope this helps you.