Sixth and Seventh Generation video game consoles were still using scart/composite/component outputs for CRT up until their discontinuation in 2017 so I’m pretty sure a lot of kids would have had a CRT to game on as well was watch TV in their rooms.
Remember, kids typically get the hand me downs when the adults get new shiny.
You can still use the hearing test feature by browsing this link on your Apple device:
x-apple-health://HearingAppPlugin.healthplugin/HearingTest