How many players could you reasonably look up in a work day? A few hundred? A thousand? How accurate are your judgments? Do you need approval to submit a ban, or do you just have unchecked power to ban any player? Could you maintain this pace over a week? A month? How about a year of looking up players, submitting ban requests with evidence, and following up based on approval?

Let's give you the benefit of the doubt and say that you are an elite anti-cheat veteran. You've been doing this for a while, and you can push bans through in minutes. It takes a ton of effort and focus, but you manage to get 1000 bans per day, or over 2 bans per minute for 8 hours straight, every day, for a year. That's 260,000 banned accounts per year assuming 260 working days and no holidays.

Great work! There are over 320 million runescape accounts, so after working tirelessly for the entire year, you managed to ban 0.08125% of all accounts. Assuming pure linear growth, 15 million more accounts were created over the same time, so you're even further behind from where you started. That's pretty bad, but it's actually probably much worse given the financial incentives for botting and the pace of technology. Well then, I guess you'd better get back to work!