dis·crim·i·na·tiondəˌskriməˈnāSH(ə)n/noun1.the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.
When the cartoon begins Sophia puts out what her teacher has explained to her about the same sex couple (not discrimination) upon hearing this Mom makes the case to change that perception.
“Carrie drew two mommies,” “She told me they’re married to each other. My teacher says that all that matters is that people love each other and that they’re happy"
“Hmm. Well, people have their own ideas about what is right and wrong,”. “But what matters is how Jehovah feels. (Your teacher is wrong).
Then comparing gay people to contraband luggage is pretty low. If you don't think that's too much, that's fine Simon, you are free to feel that way. Yes the video uses metaphors over overt language but the message is clear. metaphor or not.