Thanks for the link/referral, Sal. Actually came across your thread earlier and saved it for a later reply when I had a chance ...
Again, it's "cutting a corner", if you will, versus going with an external Coast-to-Coast overflow design. However, with that said, it will work as designed. Despite any loss of space/aesthetic appeal ...
I left some 'unbiased' comments on the thread earlier for yourself, and others who inevitably come across it in the future, to seriously consider.
HTH
All the best,