Enable one click drill down, double click drill through.
Enabling one click drill down if drill down is used, otherwise one click is selector. Double click on the other hand will enable drill through.
Clients usually have 0 Power BI skills, or any computer skills at all. The drilling function (down,through,levels) is not intuitive.
This is a big user interface upgrade.
One click drill through is OK for experienced users. Double click drill through / drill down should lead to a predefinable drill trough target.