Because all of the dumb people I know think 5G is causing health issues and all of the smart people I know think it's not.

Perhaps realign your priorities to worry about something imminently catastrophic like climate change. And if it's theories you want to worry about, check this one out https://en.wikipedia.org/wiki/Clathrate_gun_hypothesis

If you're still worried about Wifi, then I don't know what to tell you.