The transition from more waterfall-like projects to more agile-like, with feature-factory bitesize nibbles of work, seems to me to be predicated on less deep work. The unit of delivery is smaller, so it cannot be meaningfully transformative.

Personally I think it's a model that scales better (ie supports more developers being applied to a problem) but requires more brute force modularity to contain the lack of system design that comes from lack of deep thinking (and thus we get microservices).