Tbh i saw something like this while playing Hearthstone. Bots used to be very trash there,and some people only used them to farm gold playing many games everyday.
But, someone updated the software making it stronger. Most ppl that i knew that used this bot, easily reached Legend rank (Higher rank in the game) in some days, while playing manually would take more time.
The point is, farming with bots is such easier! You can get more treasures with less time. ON the other hand, less people playing and more time waiting for a battle.
RE: Human versus Bot – The machine revolution in Splinterlands