Some people think content is worth much less than it is given credit for
One consensus witness has suggested removing the global content reward pool entirely because he thinks the last four years have proven Proof-of-Brain a failure. I have discussed this matter in another post I made on Saturday.
Old content is hard to even find - little incentive to create content with lasting value
I think one of the biggest problems that can easily lead anyone to underestimate the value of content is that any piece of content that is significantly older than one week is very hard to find. Hivesearcher is a tool that was recently migrated from Steem by 
More importantly, the reward system is geared towards rewarding new and only new content. The payout window is only one week. A high-quality post that may take days to put together could continue to earn for years on the attention and engagement generated. On Hive, an author can only earn from the reward pool on new content. Any front end can monetize content of any age through advertisements. An author could earn on ads placed in their posts. The main reason that hasn't taken off is the small number of users and the low domain authorities of the front ends so far. Not enough traffic. For that, there is no other remedy than the slow grind towards more content and more links to Hive front ends from Twitter and elsewhere.
Supervote to fix inadequate rewards for the highest value content
But I wonder if a part of the reward pool should be allocated to a super large vote for each user for the purposes of rewarding one particularly good post per week. That could go a long way towards rewarding those posts that have particularly high and lasting value.