According to Mike West, the audio changes were requested by series writer/producer Al Jean, who just liked the new jokes better...
Speaking only of the "RAMPS" to "not fun anymore" change, it's a good thing. I hated the old line, and like the new one.To anybody who's ridden it do these new lines add more or less to the ride?
While we're on the topic of the Simpsons audio... What's with Ralph saying 'i'm a baby bird"? is it a reference I don't get as it is not particularly funny.
Ralph also has a habit of saying very random things in the show