Thank you very much to taking the time to write these insightful posts.
I found your posts on this topic useful in understanding a bit of the science behind racquet power and what specs matter, what specs don't and to what extent.
I would love to read more if you feel like starting your own thread about it in order to avoid arguments with "El Zed" that might derail you from getting your point across.
Disclaimer: I'm NOT a coach...
Real tennis: https://www.youtube.com/watch?v=yDqnkLJ9BtM