2. Airline and rapid travel encourages people to move away from friends and family because they can be visited or reuinted on occasion more often.
3. Not sure how you were enthusiastic about the climate – it's been going steadily worse since the use of fossil fuel technology, which in addition makes it harder for people to engage in sustenance farming in many places due to unpredcitability. People have to rely more on industrial farming
4. Industrial farming and large-scale farming puts many family farms out of business, meaing less human dependence on individuals and more on technology.
5. YouTube, etc. brings more knowledge to the world but many tutorials mean people can be more independent and rely on individuals less for their knowledge.
6. Personal cars mean people do not have to rely on each other for a lot of manual labor like hauling stuff, and they now drive instead of walk to the grocery store, which means a lower likelihood of encountering others you know.
7. All communications technologies in general mean less in-person communication, or a greater ability to move away from communities. The internet means less going to the library, etc.