As a group, each individual is required to suppress their own personality, private history and stories. This is good for both hypotheses, group or program.

As a program, U wouldn't see much emotional expression, subtle words, defensive response to attack.

Most importantly, yet still confusing to me, is that we automatically assume Hunhun is male, but have we ever seen his interests in 甜美湘女 and all other lovely female IDs?