IIRC, it was discontinued around the time Adobe switched to a subscription model. Allowing end users to add new functionalities to their programs just didn't make business sense.
Blaming one man for the rottened culture of an entire industry. The people who made the decision to withdraw money from SVB are supposed to be sophisticated. They're certainly well compensated. Yet they acted like bunch of illiterate peasants. The whole episode really demonstrated the disappearance of critical thinking from the American tech industry. This primitive monkey-see monkey-do mindset has come to dominate just about every aspect of it.
Conradish is a tool designed for teachers of foreign languages. It lets you quickly take a online news article and add definitions of words with the help of Google Translate. A good way to help students build vocabulary, I think. The extension can be used in other educational situations too, where a teacher might want to add notes and perhaps questions to an article about a current event.