Actually, long-term quality content is not necessarily going to be rewarded by steem. Maybe if it gets a bunch of money all at once in the first 12 hours, but the system prevents you from receiving anymore money after 30 days. I wrote about it here:
https://steemit.com/steemit/@zorrotmm/did-you-know-your-posts-can-t-give-you-money-after-awhile-we-should-really-talk-about-this