They see people on the ground and lower themselves to hailing distance.
"Excuse me, can you tell me where we are?" asks one of the balloonists.
The folk on the ground ignore them and carry on with their business.
What makes your change initiative special? Why should people be paying attention to what you have to say (regardless of how valuable it might be.)
Earn the right to join to conversation. Don't presume it.
Earn it by offerring service and value in a way the client expects to see it and asks for it.