Even if your target demographic isn't currently Gen Z, it will likely be in the future.
The biggest misconception is that TikTok's audience is not right for your brand, especially in the business-to-business (B2B) marketing world due to users being too young. Aren't the users mostly college students and recent grads? B2B businesses have a massive opportunity on TikTok that many competitors probably haven't tapped into yet. Even if your target demographic isn't currently Gen Z, it will likely be in the future.