<3 <3 I'm so glad you feel that way, it's really gratifying because those are the emotions we want to be evoking. I'll look into the OSX issues!
I too am having issues with text in a number of places not appearing, including the currency counter, which makes the current build unplayable on macOS. I tried launching the game from the command-line (running '/Volumes/MyExtenalDriveName/Games/Terra Nil.app/Contents/MacOS/Terra Nil') to see if any Unity console messages/errors would appear, but that seems to be turned off for this build (no console text appears on the CLI at all), and nothing related appears in the system log (Console.app) either. I've tried installing via the official itch.app and via downloading the zip file from itch.io; same result. I've tried installing on the internal SDD under /Application; same result. I tried completely disabling macOS's Gatekeeper (spctl --master-disable) to ensure it wasn't a file access permission issue; same result.
It appears to be an issue with a some Unity font resource missing from the macOS build, or with the format of a font Unity is using being incompatible with macOS. As I'm sure you know, all of the game's resources are tucked away in sharedassets….assets files, so I can't help debug this any further (in other non-Unity apps/games, I would normally look at system file accesses to see if the executable is looking for any files that don't exist on the FS). And without any CLI/console messages, I can't tell what's going on either. I think it's all up to you to make a debug (console-logging) build and try it on macOS to determine what's going on here. Best of luck getting this patched up.