Rhino intersects hidden geometry inside blocks - BUG?

Rhino Rhino for Windows
1

The video below is self explanatory.
You also have the file attached.


rhino block intersect.3dm (3.4 MB)

2

Thanks for reporting RH-91212 Intersect finds objects hidden in blocks

This was the behavior in Rhino 7 as well (not a regression)

3

Thanks for tracking. IntersectTwoSets does the same thing.