We enter Jesus' teaching in parables. Why does he teach this way? He says it is to separate between those with grace and those who don't have grace. It is specifically to divide those who get it and those who don't. This is the point of Isaiah's words.
Interesting that the thorns are the cares of the age and the deceitfulness of riches. Interesting to read this in a recession. Either we have riches and are deceived into trusting them, or we have concern about our security and about where the next paycheck is coming from. These are just two sides of the same problem.
The parable of the sower makes it clear that a person can give a false response to the gospel.
One of Satan's strategies is to actively snatch away the word. It is no accident this passage is on Superbowl Sunday. I wonder how many millions of people will forget what was preached in the morning because the commercials in the afternoon are so entertaining?