Considering "everything we do in connection with our work at Google will be, and should be, measured against the highest possible standards of ethical business conduct", a little notice would have been the right thing to do. Developers, you may be able to find a suitable replacement API at ProgrammableWeb.
Kung isasaalang-alang "lahat ng aming ginagawa na may kaugnayan sa aming mga trabaho sa Google ay magiging, at dapat ay, sinusukat laban sa pinakamataas na posibleng mga pamantayan ng etikal negosyo asal", medyo notice sana ay naging ang karapatan na gawin.