The current curation model isn't perfect but I also do not see it as a huge problem.

I have a few suggestions that could improve the model if they are not too difficult to implement.

The curation rewards for votes that are clustered together, which we see when auto-voting or curation trials are used could be penalized. For example, if 10 votes occur within 1 minute, the curation reward could be reduced by 50% and the other 50% could be burned.

Another idea could involve adjusting the reverse auction for length of content. For example, a long post could be given a longer window based on the time it takes to read. A post with just a photograph could be given almost no window at all.