To be fair, the reaction is similar towards most of the other potentially addictive things also. People talk a lot about sugar addiction, video game addiction, porn addiction, etc. but few are willing to do anything about it other than tell the addicted people to get themselves straightened out.
To me it seems clear that we need some sort of regulation and/or cultural defence mechanisms against this stuff like we have for alcohol and drugs. What exactly it would look like, I don't know. Otherwise we are just going to entertain and eat ourselves to death.
...and then you go on to list a bunch of things that share the property that they are enjoyable.
There really are addictive substances; but honestly, sugar isn't one of them. These are behaviours that people become habituated to. It's not fair on real addicts to claim that your serial adultery is the consequence of "sex addiction".
To me it seems clear that we need some sort of regulation and/or cultural defence mechanisms against this stuff like we have for alcohol and drugs. What exactly it would look like, I don't know. Otherwise we are just going to entertain and eat ourselves to death.