Because it's potentially trademark infringement because it could confuse people.

Can you actually trademark a common word? (Serious question)

Yes, Apple, Windows, Amazon, Shell, Target, Dove, Ivory, Tide, Polo.

(With help from Claude completing the list)

Remember the trademark fights between Apple Music (Beatles) and Apple Computer? Interesting history.

Sosumi!

Yes, but only for a fair tight class of business

Exactly right.