1. You can find any information you want, in an instant.
2. Hardware is very cheap, computers can be tiny, you can order components from anywhere
3. Robotics and electronics are way cooler now, with drones etc.
4. Software development is way more productive with all the libraries and tools we have right now.
5. When I was a kid, games were made by 1 or a few people. It quickly evolved into big studios. But nowadays, a solo or tiny team can release super successful games.