Seeing as how there are very few massive companies that weren’t created by piecing together smaller companies in the first place it shouldn’t confuse anyone. Also companies spin off parts constantly when they think it’s in their interest so they idea they won’t know how to do it is frivolous.

You could certainly make an argument that my $10bn number is too low, or that there should be a sliding scale of some sort but the concept and it’s likely outcome is very easy to understand.