Rob,
Thanks for that...but it is only partly true. The people whinging about the noise (did they ever hear a real turbojet 707 or DC 8 take off?) are not necessarily the ones with bucket and spade paying the lowest fare to get where they want to go. An "old" 737 may still be legal and if so, can still fly when needed. And those on board wil care less....others may gurgle their chardonay and frown....but big deal. I've been a Captain for 20 years but there are an awful lot of a/c in the US and Europe- and maybe even Australia-built (and still in service) before I got my four gold bars.
Safe flying