He's probably waiting until everyone has forgotten about the travisty of the final TV series.
It's still worth reading the books though Treb, how far are you into it? There are a lot of dramatic strands which are different or handled better vs the TV show. I always talk about Reek when recommending the books to my friends, the reveal of who Reek is was very well done, much easier to do when you can't see the face I guess.
I've just started a new 'grimdark' fantasy series myself,
The Poppy War by
R F Kuang. So far so go good! There are three books in the series currently. The author is doing a book event in the Liverpool Waterstones at the end of next month so I'll probably attend that, perhaps I'll meet her?
