It seems to me he had reservations about it. Although the measurements are pretty good, you can see some discontinuities in the crossover regions.
The crossover points are not stated. They look to be around 500 Hz and somewhere in the 2 to 2.5KHz region. Therein lies the problem. If you are going to make an outstanding three way center with excellent voice clarity, then the mid needs to cover the whole of the speech discrimination band. Now I grant you, drivers that can do that well are not plentiful, but they are out there.
May be time for you to DIY. I think you good do better at less than the cost of that speaker.