Whether to rush or take it slow is up to the majority of the party to decide. I'd even say it should be unanimous.
So, if 3, 7, 23, and 71 players want to rush and you don't, you should adjust or else you're the rude one.
If 3, 7, 23, and 71 players want to take it slow and you want to rush, you should adjust.
PF is there to recruit like minded players.
DF is there to queue, get xp, and be done with it.
Yes, developers would appreciate players taking time to enjoy the view. However, there are some developers that also enjoy watching speedruns as well.