Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
When a majority of people that were recently banned as part of Blizzard's usually ineffective measures to curb RMT all started discovering that they were Linux users, the company line became this:
We usually build up a large list before actually banning the accounts, thus the large influx of posts currently. Use of a third party program could date back quite a while before the actual ban goes through.