They take up space
They slow everything down
The child in the buggy often whines
If there is more than one buggy on the bus then it cause no end of disruption
Because I want to sit in the buggy spaces, its more roomy and nearer the front
Because when I was younger we didnt have buses and I managed! Children need fresh air.
And dont even think about bringing a double buggy on the bus - it should be banned.