I don't have an issue with passing on info in the pro section when I have a bit of an idea who I'm talking to. But you need to use a little common sense when talking to newcomers. And no, he didn't get flamed.
Somebody could get seriously injured with this fryer. The smartest techs I know are the ones that know when they are in over their heads.
And I do agree with you that new techs need to be helped out and shown how and WHY things are done.