If you want to see an excellent fighter made of wood...note the sentence where it says "The two wing spars were redesigned to withstand a higher safety factor of 10 versus 8."
Or from the fantastic
Hornet & Sea Hornet construction website:
"The difficulty was increased by the fact that a safety factor of 10 was needed, a requirement that could not be met by the construction used in the Mosquito (which had a factor of 8 ) owing to the bulk of the additional material that would be needed to give the greater strength. At the same time, in order to avoid a complete changeover of production technique with consequent reorganization and inevitable delays in the shops, it was desired to make use of the Mosquito type of construction to as great an extent as possible.
The outcome of these conflicting requirements is a wing structure based upon the general principle of using metal to carry tensile loads and wood for compression and shear stresses."
Aircraft are designed to meet a particular safety factor, it's not that one material is better or worse, it's just a matter of finding the right materials for the right areas. Wood is better at compressive and aluminium better at tensile loads. Note how the lower wing and aileron skins are made of Alclad and how the tail section is all-metal, yet the remainder of the aircraft is largely of balsa-plywood sandwich construction.