The main stretch of Angel up to the Business Design Centre has always been pug-ugly, but things improve considerably the second you step off the main drag to pubs like The Camden Head or even The York, and then continuing towards the canal, where you get this delightful spot:
https://www.google.co.uk/maps/@51.5333306,-0.1026485,3a,75y,...
The main thoroughfares of London, and likely everywhere, are likely tagged as "urban blight" for AI training models without a second thought, but twenty steps away from them and you get extraordinary surprises.