It would be interesting to check what those people used their accounts for, what kind of groups they were part of, and what they were posting, sharing, forwarding, etc. It's always possible that innocent people get caught in a wider ring with those who misuse a service and use it to spam and scam. But as you mentioned yourself, they can get unbanned assuming they didn't do anything wrong.
It's clear from spamming purpose.Based of his explanation, (Virtual Account) number. Most people who are using (Virtual Number) is the people who want to do spam activity, quite simple cause they need to send bulk messages with so many accounts. Using a virtual number to be used for a service who have money activity is crazy
do these people realize, most of virtual number can be sold to not only one person ?There always have some chance some of these virtual number provider customer will get the same number, and trying to login the account each other.