Yes, interesting indeed...
This 1947 footage (if that is the correct year), shows making straight end self bows with a draw knife by hand, and only shows straight end self bows in the footage of shooters. Many of us could probably name a manufacturer with more advanced manufacturing techniques and more advanced bows for the year 1947...
However, assuming all the footage was taken at the same time, the Ben Pearson arrow making operation is much more automated than the bow making process at this point... which would be consistent with advertising of the era.
Anyone know the identity of the fetching tools shown in the footage?