Just not sensible,
There is a reason why modern 'champions' are mares running on into their ageing years.
No boys.
Not just in Australia.
Apparently sensational mares .....S'line, BC Wx. et al ...............drugged to be boys, winning with a 2 kg edge ......... are unlikely to be sensationally productive mares ................. just not sensible.
Where is Admiral Rouse when we need him?