I could be very off base with this observation, and if so correct me, but I've always felt that the Japanese business model revolved around the fact that JPs are more docile and less vocally objective than in countries like the US, so they don't tend to cry foul like we would. Negotiations are done in pubs and taverns over many drinks, and it's customary for one or both parties to bring "gifts" to the meeting, including money, women, jewelry or other incentives. Don't confuse gifts with bribes though - they're two very different things!
If something goes terribly wrong and an apology is needed, it's a very overly melodramatic affair where someone falls on their sword and accepts responsibility, instead of laying out a clear and concise plan out action to remedy the situation. (Tanakaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)
Which works great. If your only customers are Japanese clients. Since they're not, antiquated business model is antiquated.