Cull pays back exactly what it costs, which means the entire argument comes down to one number almost nobody actually calculates.
The case against Cull is that you hand over 450 gold, farm 100 minions to get 450 gold back, and end up gaining almost nothing while your real item spike arrives minutes later. That argument is half right, and the half that's wrong is the part everyone repeats.
We ran the full ledger on Patch 26.14. Here's what the numbers actually say.

