I started this game with a venture… I run one of the evil fleets you are describing now - not with bots or any kind of automation. Im not AFK’ing or otherwise roting the system. I, like other fleet commanders, have worked hard to put the assets together in order to turn the profits that we do, despite ganks or gank attempts, other competition and the limited time available due to real world conditions etc. ( not to mention the learning curve that i went through and running a fleet before compression was a thing and the fluctuating market that tanked after being flooded thus killing all profits and shutting me down for at least 2 years)
My suggestion to you: if you want more isk, you need to formulate a strategy on how to do it. If you need helpful advice, there is a ton of resources at your finger tips and plenty of people willing to help. Everyone has a goal of some sort in here. Mine is to create a sudo business based on this industry and venture into ship building later on and also to consider expanding the fleet to such a degree that I can have multiple operations in different quadrants of new eden simultaneously ( hardware permitting)
Im going to assume that your gripe is in reference to Hi sec Mining - more specifically Ice mining, since it tends to be a more limited resource. If you are refering to ore mining, there is a vast quantity of fields thoughout new eden.. You simply need to explore.. in my area, the ore is still there by shut down.. What i wrote above still applies… build your fleet, and find wealth.