The law of increasing learning

Informal learning outside of traditional institutions accounts for 70 to 90 percent of all learning.

If other people are learning more, then you have to learn just as much to stay relevant. If you don't, you will fall behind. If you are in your current job, you might not even realize how far you're falling behind. It might only become apparent if you try to transition to a new field or re-enter the market after a break.