Alpha being so massive penetrates with less power. Beta lighter yet massive has less penetrating power. But gamma being just a radiation/non-massive photon penetrates with highest power

The cyclopes is a massive monster in size & power (apex)

In most cases many simple tasks equal massive tasks. Computers can do both simple and (given enough power) can also do massive tasks

through a combination of fear and massive Propaganda

Power consumption, lower cost in massive bulk.