This isn’t inaccurate unlike your other crossovers like We Bare Bears, The Loud House and Regular Show. This is because there were cameos from characters from Gravity Falls and other references to Gravity Falls in Star Vs. The Forces of Evil. And also your crossover with Star Vs. The Forces of Evil and Rick And Morty. Because Gravity Falls is connected to Rick And Morty, and like I said Star Vs. The Forces of Evil is connected to Gravity Falls. So we can all assume that Rick And Morty is connected to Star Vs. The Forces of Evil.