Not sure, the 1000 limit is in the file from its very first version 10 years ago: https://github.com/reddit-archive/reddit/commit/33fd4e9684ca7668b57aa32ab6a064

Not sure, the 1000 limit is in the file from its very first version 10 years ago: https://github.com/reddit-archive/reddit/commit/33fd4e9684ca7668b57aa32ab6a064cd2a86ef6d#diff-8e12a829341215de40b3890544842ed0R14 https://github.com/reddit-archive/reddit/commit/33fd4e9684ca... 1000 probably seemed like a lot at the time or had reasonable performance, and it's just never been changed.