That's about the same as my earnings in a year, so I think you've done OK. You could reduce volume and focus on quality, but as you say, fluff does well, so there are no guarantees it would improve your earnings. I don't look at daily earnings as it's pretty meaningless. I just take it month by month.
You once said you were trying to catch up with everyone. I don't think you need to keep pumping out multiple stories a day to 'catch up'. Most people who've been here years haven't written anything like 2248 stories. I've published 1168 over 3.5 years (although I've deleted a few). I do focus on quality, and actually think I focus too much, so plan to do more fluff!