I learned about all that stuff long ago from a friend who studied pagan history. I was shocked then to learn how much of pagan practices had infiltrated churches. With all of that on the internet now there is no excuse for people to not know.
The problem I see with the internet is there are endless “traps” out there which can entice people into the wrong things if they are not gounded in Gods word...
The enemy of mens souls has many sites in which to charm people and oftentime with false hopes and lovey dovey type talk ...which appeals to those who are lonely and lack a social life. Again online to trip people up.