Well, you still get paid for upvotes made on old posts, although such upvotes are rare because they provide little in the way of curation rewards.
The system definitely isn't perfect, but you do get paid for content that gains popularity as it ages, even if such popularity isn't common.
No, that's the whole point. After 30 days a post can still get votes, but it won't get anymore payout.
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
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Huh, I didn't know that.
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit
Yes, it can. It gets another payout after 4 weeks.
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit