These are all things that we acknowledge are possible to be addicted to to that are not substances. Not to mention that coke has caffeine which is a chemical substance just as much as anything.
You can pin addiction to anything as a personal weakness, including drugs. Why are some people able to smoke a few cigarettes or do a little bit of cocaine without ever getting addicted, when others are hooked on day one?
If there's one thing that's been fun to see as the outcome of GLP-1 drugs, it's that a lot of people seem to have a real problem seeing people better themselves the "easy way".