Charles Lindbergh crossed the atlantic in an aircraft with no forward visibility and only two small side windows.
Lindbergh had forward visibility (barely) by way of a periscope.
OTOH, this is the obvious next step in a glass cockpit. You can give the pilots (theoretically) superior visibility around the aircraft with lots of cameras. It could work wonderfully ... until it doesn’t. With no windows, there’s no backup system.
and no competing air traffic or towers.
He had a periscope for forward vision. They replaced his windshield with a fuel tank.