Query about Question 1 from "(I'm Overwhelmed) Arithmetic Progress Quiz #4" [6829] 2

GRE GRE Quant Problem Solving
1

https://www.gregmat.com/quizzes/quiz/im-overwhelmed-arithmetic-progress-quiz-4 (Question 1)

Why wouldn’t this be a multiple of 6 as well?

2

If n=2,

n + (n + 1) + (n+2) = 9 is not divisible by 6.

So n + (n + 1) + (n+2) is not ALWAYS divisible by 6.