...But being an electronic engineer and daily dealing with technical design issues I'd like to point out that in any product there are NO fixed rules. Any board or circuit could be improved or work even better thanks to some small changes. Since there are no test evidence posted here of what is better before and after the modification, my personal view is that we would need to listen to this product with and without modifications and then take a decision....
Welcome Steffa2 to this discussion, in our field common measurements as frequency response in anhecoic room, Mil & Mol as for the loudspeakers, mean little being only bi-dimensional graphs of what happens in three dimensions. So, as you say, we need to listen to judge.
Time and phase response are very important to reconstruct the real event in our rooms. Moreover our ears are very sensitive to phase change at high frequencies, but, if the the number of ways increases and the crossover becomes more and more complex, this reconstruction is very difficult to obtain.