If you are informed then you would know this:
1. You assumed that the only harmful substance involved in cartridge residue is lead. Many substances in fired primer residue (including some that contain lead) are more dangerous than lead. Some of those possible substances are quite harmful, dependant on the primers used.
2. Regardless of your posturing and attempt to divert the issue with a worthless diatribe on the properties of lead (a blatant cut and paste

), you failed to address the major criticism. That being that it was arrogant and selfish to say that it is OK to subject unknowing persons to possible exposure to harmful substances, and to suggest that this is acceptable because that is the chance that people take when they use public laundromats. You should be ashamed of that statement. If you don't know why, I can't explain it to you. Wow.
3. Since you have questioned my education, let me point out that there is no
laundry mat involved unless you were talking about the rug on the floor in the laundromat. Your earlier complaints about the other gentleman's spelling may have been inappropriate because apparently there are some holes in your education as well.
4. You don't need to send me any more PMs about this subject. You screwed up, accept it or not but quit acting like a spoiled brat.
Rant over. OK - you said something stupid without thinking and somebody kicked your ass for it. It happens. Let it go, and maybe think about what made you say something so stupid.