> Me, on the other hand, I can point you to a trillion dollar business that uses only GUI and not a single CLI, to say the least.
No you can't. There are 5 companies with a market cap over a trillion. We can easily rule out Apple, Microsoft, Amazon and Google as they have all developed CLIs.
That leaves Saudi Aramco. Doesn't take long to see they have openings for CLI heavy jobs.[1][2]