Each YouTube creator can create their own custom blacklist of words[1]. That might be what is going on. Or if the account leaving the comment leaves the same c

Each YouTube creator can create their own custom blacklist of words[1]. That might be what is going on. Or if the account leaving the comment leaves the same comment over and over and over again (or similar ones at least) that might trip the spamfilter algorithm for that account. I tried to replicate this myself and the comment went through just fine so it does not look like OpenStreetMap is banned platform wide. [1] Go to https://studio.youtube.com/ https://studio.youtube.com/ then click on Settings, then Community, then scroll down to "Blocked words". The help for it says "All existing and future comments containing or closely matching these words will be held for review. Live chat messages containing or closely matching these words will be blocked."