But that’s only really makes sense in like the simplest of cases. The government doesn’t know if you had a kid this year, or maybe you bought an EV, or maybe you started renting out a room in your home.
If all you have is a single W2 income; then by all means go to your local library, grab a 1040-EZ form, fill it out, and drop it in the mail. Will probably only take you 10 minutes or less.