I suppose it's up to you if you want to "read in antivax wingnut" into what the OP wrote. However, there's nothing in her story that suggests that. But you already know that.

I said preach because I had a similar problem with my ex's mother. But, again, you know that because it's exactly what I wrote.

It seems you're using her story and my comment as some sort of vehicle to start an argument. I can't speak for her, but I can assure you that I'm not the one to try that on.