Aren't big chunks of European cities, like Vienna, Munich, etc build with apartment houses like this in the 19th/early 20th century ? More expensively built, su

Aren't big chunks of European cities, like Vienna, Munich, etc build with apartment houses like this in the 19th/early 20th century ? More expensively built, sure, but that was the only way to build those back then. I don't quite understand what's architecturally "bad" about that concept. Denser cities need these kind of structures.