sample galleries are to let others know that something new is coming. that way any who would go for the new content will be aware of it and might get it in the future when they can.

if no one ever post sample anywhere , than many people would think that this group is not releasing new content or has not released anything at a recent event.

naturally it is a happy day when sample galleries like this one are replaced with the full ver , minus the sample watermark and all the extra sensorship that is usually applied to doujin samples these days , especially on dlsite/dmm.com digital doujin