If they believe that supreme power comes from using certain protocols to enhance abilities, a.k.a.
The Illuminati Formula to Create an Undetectable Total Mind Slave, then there's the likely motivation.
What they worship & how they enhance abilities is aligned. Create many altars w/in individuals whether slaves or elite blood opens them up the source of supreme power as they see it - an act of worship no doubt for them.
How we define logic and how they do are not w/in the same realm of cognitive reasoning.
https://www.ivantic.info/Dejvid%20Ajk%20i%20zavere/Fritz%20Springmeier%20i%20Cisco%20Wheeler/Total%20Mind%20Control%20Slave.pdf