Swingman wrote:

While I tend to agree on the surface, that's actually been proven to not
make much difference, if any, and certainly a "real" _angled_ tenon could be
much less strong depending upon the grain of the particular piece.

"Not much difference" isn't the same as "no difference". Your point
about the angled "real" tenon is well-taken.

The jury is still out ...

There's only one solution. Build a few of each, test to destruction,
and write it up for FWW.

Chris