Probably has something to do with all of the right wingers, such as Catholics, perennial Traditionalists, and "white nationalists" who love Tolkien.
Aka the people that make up 90% of the fandom
Another thing I noticed the Tolkien fans tend to have that was reflected in Tolkien's works is a love of morals and virtue, even if its natural virtue. People read the books and even when they watch the movies they want to reflect the virtues shown, (i.e. the loyalty of Sam, perseverance of Frodo, repentance of Boromir for his faults, the purity of heart that Faramir possesses)
Its something the Game of Thrones didn't have, that show threw virtue and morals out the window. Envy, lust, hatred, revenge dominated the storyline. George Martin said he added that stuff to "reflect human nature", "reflecting the tendencies of our heart".
May I remind you the director said he wants the Amazon series to be the "next Game of Thrones"