Precisely!
Surely the monometal bullet fad is a result of political pressure to decrease the use of lead projectiles. Which has no basis in scientific fact BTW.
Traditional bullets have been doing a splendid job for well over 100 years - why take the chance?
It's like saying to yourself, "my gut tells me this may not be good for my rifle, and there are excellent options, but what the heck - I'll try them"