Your post shouldn't be necessary. What you write should be common sense.
I'm glad you wrote it, because clearly it isn't common sense.
We see spam comments here, on blogs, on Twitter, everywhere where people try to make short cuts.
Thank you for your advice about flagging spammers. I hadn't thought about that - yet. I would have, eventually :D But I'm so new here. I'm still trying to figure out how things work.
אני גאם ולאה חדשה בישראל
And I'm horrible at Hebrew :D