Sounds like a hiring failure. Of course the probability of that happening across 40,000 employees is high, but I feel like the #1 goal of a hiring process is to

Sounds like a hiring failure. Of course the probability of that happening across 40,000 employees is high, but I feel like the #1 goal of a hiring process is to avoid training someone for 9 months when he knows he's going to quit. Besides, I don't think you learn enough by spending a bit of time in a company. To understand, you need to become a manager inside of a company and try your hand at tackling problems. Then, only, you really know what those problems are made of. The correlation is, we need to be humble when we criticise employers. It's hard to organize a company properly.