It looks like the system was in place well before 2017 so perhaps the last active date wasn't always set to "Never" for those users back in the day. Or more people paid the fee when Bitcoin was cheaper.
What about undercover hidden evil members who got banned, but they purchase new accounts, use new IP, and continue with their evil campaigns?
If we include them than your chart would look even more bullish
These are isolated cases that do not contribute to the overall picture. In addition, the option of paying for a VPN service for such users will be much more acceptable than paying a fee for each blocked account. (I'm talking about the fact that this data does not include information related to VPN IP addresses).If we include them than your chart would look even more bullish
Here's some info:
suchmoon, Do you know what is the time range for saving evil IPs? I know that IP dims over time, but I don’t know how long it will take for the IP to turn white.