This Reddit user's search for a simple dark mode on Mac Excel is a perfect snapshot of where spreadsheet tools have left their users. They are not asking for a radical overhaul. They want a basic feature, dark mode, that exists on Windows but is inexplicably absent on Mac. Their workaround, manually changing cell backgrounds and gridline colors, is clever but fragile. The moment someone sends them a standard white sheet, the illusion breaks. They consider learning VBA just to automate a task that should be a toggle. That is not a user problem. That is a product failure.
What this user is describing is the friction of working inside a system that treats data and interface as separate, static concerns. Every shared spreadsheet arrives with its own formatting, its own visual noise, and its own resistance to personal preference. The user's desire for a consistent, comfortable viewing experience is reasonable, yet the tool forces them to become a part-time developer or a manual formatting laborer. The real issue is not the absence of a dark mode button. It is that the spreadsheet itself is a rigid container. You cannot change the viewing experience without altering the underlying document. You cannot protect your eyes without risking someone else's layout.
This is precisely the kind of limitation that an AI-native approach eliminates. Imagine a spreadsheet that understands the difference between the data and the display. A tool where you could apply your preferred theme, dark, high-contrast, reduced brightness, across any sheet you open, without touching a single cell's original formatting. The structure stays intact. The collaboration stays clean. The user gets the comfort they need. That is not a futuristic dream. It is a logical next step for a tool that respects both the data and the person working with it.
The lesson here is simple: users should not have to hack their way to a better experience. If someone is considering learning VBA just to change background colors, the tool has failed them. The spreadsheet industry has spent decades optimizing for calculation and compatibility, but it has neglected the human side of the equation. A modern tool should adapt to the user, not the other way around. This user's frustration is a signal. It is time to stop asking users to work around the limits of legacy design and start building tools that meet them where they are.