The idea of gluing a stick in the heel of the neck can only be defended in terms of production and economy, as it has nothing to do with tone, quite the opposite. It's simply a weak construction that tries to stay in place with a mishmash of screws, plates, and shims. And it doesn't work, given the amount of repairs.
But that's not the only reason to build a new neck for this guitar. The type of wood is one reason (mahogany instead of maple), and the headstock design is also not the most attractive.
Furthermore, I am not pleased with the scale length. On a tricone, it's currently 25 21/32 inches, while on a pre-war model it measures 24.75 inches. Perhaps this was done to accommodate the 12th fret, which on the older models is almost entirely on the body. It's a understandable choice, but the impact on tone should not be underestimated. It's not something that can be easily resolved by using a set of lighter strings (.012 instead of .013).
I prefer a neck stick that runs continuously from head to tail in one piece, with full support for the fingerboard.
And a kind of "slot" in the top of the body..
