Multiple personalities cannot know each other's thoughts.
Taylor's character, he only knows that putting a gun in his mouth will kill him. In addition, he did feel the smell of gunfire and smoke, coupled with severe pain, which made him think he was dead, so his personality really died.
As for those buildings, they are all economic buildings. Just like a passage that often appears in the text. Your property cannot represent you, your car cannot represent you, your clothes and your money in the bank cannot represent you.
It's already said in the video. You must give up everything to get what you want.
In other words, this is to get rid of the shackles and let people lead themselves. The life you want.
I just finished watching this movie, so I understand it.