On the anniversary of J.R.R. Tolkien's birthday, I ask you this; why have 'The Hobbit' and 'The Lord of the Rings' remained so popular?

On the anniversary of J.R.R. Tolkien's birthday, I ask you this; why have 'The Hobbit' and 'The Lord of the Rings' remained so popular?
Fantasy has always been a space that one can go to when it's necessary to get away. Regardless of what a person wants to step away from in that moment in time, fantasy offers momentary relief.