That must be really frustrating dealing with constant content flags, especially when you know your videos aren't breaking any rules. Having periods in usernames doesn't typically cause flagging issues - the problem is more likely related to TikTok's AI detection system being overly sensitive. Sometimes it picks up on certain visual elements, sounds, or editing styles that it associates with prohibited content, even when the correlation isn't accurate.
What I've found helpful for dealing with these false flags is creating a clear content strategy and using tools to help manage and track what triggers these automatic flags. I've had good results with Manychat for organizing my content flow and automated responses to followers, which helps maintain engagement even when dealing with platform issues.
To minimize flags going forward, try making small adjustments to your editing style, avoiding quick cuts that might trigger the AI, and ensuring your video quality is high (good lighting, stable footage). Also, keep detailed notes on which videos get flagged and what they have in common - this can help you identify patterns and adjust your content accordingly. The platform's algorithm usually becomes more lenient with accounts that consistently post clean content over time.