One man's Mede is another man's Persian.
I have three Fidelity wood holders (8x10 -- bought NOS) that are my go-to holders for my most important exposures. They can be a bit of a PITA to load as the corners of the film can get caught in the wood.
Fiberglass tripods are strong but heavy just like fiberglass ladders.
Uhh - Carbon fibers are carbon fibers. May be embedded in some kind of plastic tape or matrix sort of like metal reinforcing rods embedded in concrete, but the fibers are carbon and not plastic.
Might be more accurate to refer to carbon fiber reinforced plastic (or polymer)
Fiber glass is just an inferior version of wood
I steal time at 1/125th of a second, so I don't consider my photography to be Fine Art as much as it is petty larceny.