I started with Aluminum over 20 years ago. Still shoot them out of my heavy recurves. But everything else,,, selfbows, BBO, modern longbows are all shot with wood. 99% with POC cedar.
Wood is cheap, easy to find easy to work and they work perfect. A quality wood arrow properly worked gives up nothing to a NASA shaft. Properly worked is the key. I've lost arrows in the fall, found them the next spring and they are straight and ready to be refleched.
Plus they are traditional in anyone's "trad scale"... LOL