Driving in Bangladesh is a kind of sport!
It is a mix of absence of road network and country planning, a super dense population, poor vehicles, absence of proper driving technique, poor safety culture, poor consideration of the value of human life, and lots of corruption that creates an absence of law enforcement.
That being said, I still drive in Bangladesh in the Khulna - Mongla region where I live, but it is a high-level sport. I never drive in Dhaka and would not dare to, though I have been driving in congested cities like Antananarivo. Dhaka just does not compare.