Anet should really put a stop to this. They were very proactive on removing chinese bot/gold farmers in the early days why not now?
We already know bots run with impunity. Heck I've seen bots still running months after reporting.
But Anet really needs to look at this perspective. I've checked the amount of games these bots have played, and they're already around 1100-1200 matches in the first 2 weeks (+ 2 days)! That's about 65-70 matches a day on the low end! Now the Season is 8 weeks long or 56 days. So 65 matches x 56 days = at least 3640 matches per season.
So why does this matter? Using a ball park estimate that it takes 50 matches win or lose for 1 Byzantium Chest or 29 flat gold.
3640 matches / 50 = 72.8 Chests or 2111.20 GOLD PER SEASON! not including pvp reward tracks....
And that's a low skritt brain math estimate.
Anet is actually losing money by letting bots run. Potential gem store sales lost etc.