This is a fading benefit. The ship I took this summer had free Starlink connections powering their WiFi. It wasn’t great for calls and they blocked video, but texting was possible. (You had to be careful though because they also exploitatively ran a mobile cellular microcell that charged insane data roaming fees, which meant you had to be very careful about when you turned on roaming.)
We used to run an exploitative cruise ship terminal internet cafe where people would pay dollars for access to minutes of like, yahoo and msn messengers so really nothings changed.
Never tried doing a Zoom call, but the trans-Atlantic crossing I did in the the spring, I didn't pay for video streaming but Starlink at $20/day was pretty good for Internet generally. Was tempted to unplug but I didn't. Kept my phone on airplane mode the whole time.