Most of these accounts write posts in the same thread. Almost all Jr.member accounts with 1 Merit, which was received from several users. This can be tracked at https://bpip.org/

In the table, I marked in green and set "+" if a post was made from that account in the thread that is written above.
https://i.imgur.com/Dl8ANr9.jpg
All this activity has been over the past few months. Many accounts were created at about the same time.

Accounts:
Commadante2 - https://bitcointalk.org/index.php?action=profile;u=2304141
Elsop   - https://bitcointalk.org/index.php?action=profile;u=2304172
futterlod - https://bitcointalk.org/index.php?action=profile;u=2106942
XEFUZ - https://bitcointalk.org/index.php?action=profile;u=1113476
Cryptoenthusbusa - https://bitcointalk.org/index.php?action=profile;u=2536574
Burgerwich - https://bitcointalk.org/index.php?action=profile;u=2304221

Threads:
Goldario - https://bitcointalk.org/index.php?topic=5234514.msg54072443#msg54072443
Sensitrust - https://bitcointalk.org/index.php?topic=5235440.msg54096044#msg54096044
HyperDao - https://bitcointalk.org/index.php?topic=5179405.msg52285674#msg52285674
FSM - https://bitcointalk.org/index.php?topic=5228432.msg53911678#msg53911678
CryptoParadise - https://bitcointalk.org/index.php?topic=5217018.msg53588215#msg53588215
Loltoken - https://bitcointalk.org/index.php?topic=5134930.msg50728278#msg50728278
Qredit - https://bitcointalk.org/index.php?topic=5030061.msg45784856#msg45784856
Titan - https://bitcointalk.org/index.php?topic=5127407.msg50430502#msg50430502