Yes not a very Christian attitude Roz.
I appreciate that it cannot be easy with 3 children in tow but other bus passengers have needs as well and are probably paying a higher contribution to their journey than someone with a double push chair and another child in tow.
Surely pushchair users should alight the bus if a wheelchair user needs the space , unless they can fold their large chairs and fit into rest of the Bus.
Perhaps others would feel more accommodating to push chair users if they paid a fare . Say GBP 1.00 for single and GBP 2.00 for double.