Stranger has a point where you can feel in your body the whiplash of the change in tone. After the middle point Heinlein was blocked for years, and when he continued the result was grotesque.
When you start reading dialog about what happens in Heaven, when the story started as proper sf, you know that the author lost the plot (literally and figuratively).
Exactly. Promote it as community outreach, it’s more useful than feel-good Pictures at dog shelters.