Tom Nichols writes:
... "It doesn’t work that way. Education (as opposed to training, a distinction almost no one bothers to make anymore) takes time. It requires reading, writing, discussion, and reflection. It is a cumulative process. You cannot liquefy it and pour it down someone’s throat in a day, no more than you can eat all of your meals for a year in a single week." ...
You've sent your staff to be trained. Does your plan recognize education too? It was/is your money and billable time...
You've been trained, are you focusing on your education too? It's your career...