

If you have one well moderated forum for normal users and a shit one nobody goes to, the bots will show up at the latter.
If the AI review function doesn’t tell the difference, the bombardment of fakes in the second will tilt review summaries significantly

If there’s no traffic jams, you’re free to drive however much it want
If there’s traffic jams, the more trucks your company have in traffic the lower priority you get for them. That gives everybody access because those with the most trucks can take some off the street to raise the priority for the others a bit, and that in turn gives room to others