What adware? In which packages? What kind of payment are you talking about? Redhat?

Have you ever maintained a bunch (100 to a few thousand) machines where everyone builds his stuff from scratch according to their under the shower visions ? I have and now I will hit the ones who step one nanometer outside the only true and god provided package, that is straight from the distribution.

And yes - it does cover the case of you NEVER seeing that. Now you have seen.