Ideally more users will see publications that highlighted and users that they may not have seen. I know some visit the persons blog and look through their newer posts, giving them better exposure.

It is also an indicator that our curators are working and doing there best to get as many publication curated. As each curation account grows in voting power when we curate the person stands to earn more. The same thing happens when price rises for a token/coin from one of the platforms.