I admire the de-Googled approach of GrapheneOS. As a lawyer, privacy concerns resonate with me too. I love the rebellious attitude of tech that presents an alternative choice in an overly duopolistic market. That said, I wouldn't last 8.4 months like the author. Even though he admits to some Google app usage, I'm in too deep — I'd never be able to get out. But if I get the chance, I'd like to try it on a secondary ph…
I'll also echo the ideas from everyone else here. You can just use it as a normal Android phone the way you do any other and there's still big benefits. There's also really big benefits in terms of carrier privacy that aren't often talked about, like vpn routing and hotspot usage.