The screenplay is great because it doesn't invent any dialog that wasn't in the book, almost every line is copy and pasted from the novel. Perfect example of not trying to overthink a job.
Some of the minority report future tech ideas were predictive, like facial recognition technology: at the Phillies ballpark you can enter the stadium with a face scan instead of showing a ticket
On the topic of Shatner vs Takei here is a good (long) interview from the Howard Stern Show in late 1994. It sheds light on their different sides of the story. Convo about Takei starts around 8:10. Bonus: you'll hear plenty of George's "oh my" sound drops throughout.