Blade recycling is only becoming mainstream now as 15 year old farms start to change out blades in bulk:

eg: (2026)

  Australia is home to 31 wind farms with turbines over 15 years old. Over the next decade, countless blades will require replacement.

~ https://www.acciona.com.au/turbine-made

Which explains the current low numbers of companies taking GFRP (primary component of wind turbine blades) down to particle size for reuse.

See: https://www.sciencedirect.com/science/article/abs/pii/S09213... (2024) and companies such as Acciona.