Power BI table. Allow Grouping on higher level data items in columns

At present there is no way in power BI to display a table which doesn't repeat data in a column. The ideal is to have this

Objective Task Result Description

Task 1 10 Desc 1

Objective 1 Task 2 11 Desc 2

Task 3 12 Desc 3

Task 4 4 Desc 4

----------------------------------------------------------

Task 1 4 Desc 1

Task 2 22 Desc 2

Objective 2 Task 3 5 Desc 3

Task 4 56 Desc 4

Someone said that you can try a matrix but this doesnt work at all. You get

Objective

Objective 1    

Task 1          

 10               

 Desc 1

Objective 1       

  Task 2              

  11                   

   Desc 2

the above is what customers always want. Could you have a look at getting this added into the Table Visual as functionality so we can group on higher level data items in a column so it isn't repeated