Am I missing something? Rome is on the Tiber. London on the Thames. Paris on the Seine. It seems to me that the Romans had no special reluctance to build by rivers.
Everything is “down by the river!”.
The Roman invention of waterproof concrete helped them rule the world. Bridges, aqueducts, sewers, etc were child’s play for them.
Sadly the English threw away 1000 years of their civilization for Islamification helped by Tony Blair, the Labour Party, BBC, and Rupert Murdoch.
Idiots manipulated by TV like the USA.
Someone asked me why my grandfather built his house on the top of the hill. It was like....Duh...why do you think....