Shaun writes "...can't work out why this would be..."

For the benefit of all WA TAB punters let me spell it out G-R-E-E-D.

When Vic and WA TABs merged the WA TAB did not want to surrender their 20% take from the exotic pools e.g. Vic TAB deducts 15% on Quinella.

WA TAB punters have been had - at least Ned Kelly wore a mask.