The old saying, "Let sleeping dogs lie," comes to mind.
If people who go after parasites that are not causing problems, just because they think that it is a good, healthy thing to do, knew about causing the devils to disseminate, hyper-infect, and that the chances of being rid of them for good is very slim to often enough none, they wouldn't touch them with a ten foot pole.
Once in a disseminated, hyper-infection stage it's a whole new ball game.
A really cruddy one.
I inadvertently poked them with a stick.
Wish I could go back in a time machine and.....