Calculation of promotions and price rules should support multi-level GROUP_ROLLUP?

[Jacques Le Roux]

I was looking at https://issues.apache.org/jira/browse/OFBIZ-3440
and I wonder if this has done purposely, to avoid a drawback?

// before setting 1 try one more query: look for a 2 hop relationship

Why not more than 2 levels?

Thanks

Jacques