I didn't make deep research, just collected information from other users research.
This image isn't really useful, you better provide these links instead
https://loyce.club/Merit/history/1102101.html
https://loyce.club/Merit/history/218075.html
And while it could be categorized as merit abuse, personally i only expect DT member/merit source would add those account to their ignore list.
Is the merit abuse scam something that DT members no longer pays attention to?
There's no obligation for any DT member to pay attention to all events on this forum. This is especially true for DT2 member.