That's a solid point and hence why we've been reluctant to set out a future monetisation strategy. However... In terms of monetising utility, Beeper/Texts.com

That's a solid point and hence why we've been reluctant to set out a future monetisation strategy. However... In terms of monetising utility, Beeper/Texts.com seem to be getting a lot of attention, where they charge 10$ a month for their interoperable chat service. People seem to be happy to pay to have a centralised client for all their chats. Otherwise as you've mentioned you have status signals, which is the case for Twitter Blue too. There's also the dating apps.