the key factor is whether they ever _told_ him "hey, you're spamming the conference at this point, please tone it down." - otherwise it's just passive-aggressiv

the key factor is whether they ever _told_ him "hey, you're spamming the conference at this point, please tone it down." - otherwise it's just passive-aggressive. Would you simply close a client's account and refund them without ever telling them that you were considering such actions? Because that would be extremely unprofessional.