Kruger can be Disney-ish that way since so many people do self tours. Not sure what you would want to see there if you are already doing a bush safari. The vastness is impressive but there are passenger cars, buses, trucks and vans everywhere.

Everyone does race to the sightings and they all pile up with cameras. To me it sometimes seems like nobody is there to take it all in. That's what you will experience with your guided safari, a chance to just be there in nature.

I am sure there are some guided tours that avoid the crowds in Kruger.