DaasYochid: “Of course, but do you really think asking the people peddling the alternative garbage will listen if you ask them nicely to stop?”
“Divrei Chachamim Bnachas Nishmaim”
Also, as far as your Pikuach Nefesh Doche Lashon Hara…. Check with your Rav to make sure that this situation does warrant these types of responses.