Examples: https://github.com/rust-lang/rust/pull/54069#issuecomment-419992547 https://github.com/rust-lang/rust/pull/53988#issuecomment-419620897 Those polls were never displayed at https://rfcbot.rs. So if the participant misses the poll initially, it's hard for them to know that their attention is required.