Mining is boring job. You sit in one place and you shoot rocks. You do it alone often, no players around, no interaction. After several minutes your eyes are tired, you are tired.
There is only one field in all universe that makes big profit. The rest of them are only boring. The same time you can make 5-10 times bigger money by trading. (the trade risk is not so big. Statistical I am pirated every 5th route. So it makes not more than 4% of my incomes. If you mine, you are easy target for pirate).
There should be more mining fields such profitable. In taus, omegas, omicrons, in house space. Of course we can not increase prices in bases near those fields, it will ruin trade system, but maybe we could increase mining bonuses and/or affluence of field to make other fields as profitable as that in O49.
I would like to see miners on every field where are asteroid miner ships. Pirates could invade those fields, the miners could hire an escort. There will be reason why is the war in Taus. The defence formations of factions, would have something to do.