In all fairness, I highly doubt you will find someone shit all over their own work. With that negative attitude, how do you think that would make the workers/developers feel? They want the game to succeed hence the patches coming out. Clearly this was prepared in a way to at least challenge some of the propaganda. We all know the game has some issues, D3T admits that and they also acknowledge that the music is "ok". You can't expect good work with low morale, what needs to be done is to be optimistic and to allow the feedback for patches to fix these issues. Almost every game that has been released the last couple of years has gone through serious glitches, bugs and especially with open world games. While Shenmue is not a "full" open world game, there are alot of factors that can impact how the game plays. Yes we could have had a Dreamcast wrapper/emulator as the official release, but those emulators were not perfect either. The emulation came with all the additional baggage such as the slowdowns and additionally had limitations to what was designed for those emulators.
Look up the development and release of any other open world games, Kingdom Come: Deliverance comes to mind which I was part of the beta team, they have now ironed out everything to where the game is a beauty. Just be patient.
There was a lot of propaganda and lies that some were spreading claiming the game was a simple port or that it was just released in a very quick sequence due to sega not wanting to spend the money. It's one thing to make a claim with factual evidence, another claim to claim opinion and speculation as material fact without any evidence to back up the statement.