Yes.
Sometimes it's because I'm sure there are depths and nuances that I missed before, so I want to go through it again to pick up additional things. And there have even been times that I've done that immediately - gone straight from the end back to the beginning.
Sometimes it's because I remember enjoying a book but I don't remember much of the details, so I get the urge to reread it to enjoy it again and refresh myself on the details.
And sometimes it's just a world or characters that I love, so it's like taking a vacation to visit old friends.
And 2.45 million of them are bots.