Social and economic policy is planned decades before the event. The planners knew when the Baby Boom generation would be retiring. They knew when most women would pass child-bearing age and they are prepared for it.
Remotely operated aircraft and vehicles are being used to fight today. In the very near future, UAVs and piloted aircraft will fight together. A laser for downing aircraft was just demonstrated.
Most population growth is in so-called 'third world' countries. What is happening in the West can be reversed, or foreigners will simply outnumber the natives by virtue of birthrate.
Yes, at one time, intergenerational family bonds of love and trust were strong. No-Fault Divorce helped shatter that. As well as Abortion on demand. A lot of wounds were created. We need to return true caring and commitment to relationships, not 'just sex' as a meaningless event.
As Archbishop Desmond Tutu titled his book, No Future Without Forgiveness, we need to find real caring and real hope again, and healing.