Nobody wants to farm bots if the stock weapons are usable and the accessories are easy to unlock. The truth is the stock weapons without proper accessories are so weak in PVP games that you had little chance to kill your enemy with a fully unlocked weapon in a fair gunfight.
Not all players play 24hrs a day to grind. We paid for the game we should enjoy the game. If it takes hundreds of hours to grind some proper weapons, yes I will take the shortcut to farm the bots. At least after the bot farming ,I can use some proper weapons in PVP modes.