No, this is just not how developing software works.
Throwing more lower-skilled people at a project just makes it move slower and reduces quality.
Throwing more lower-skilled people at a project just makes it move slower and reduces quality.
The median level of skill and conscientiousness (particularly) is just so low.
Which is to say - most of the stuff you expect a senior to just be able to do as part of their job while also writing better code.
A large enough org may be able to offload much of those tasks to dedicated people and/or teams. Similarly a mature enough platform could have lots of BAU dev that can go to grunts because the basic infrastructure already exists and the workflows are well known with good tooling.
So it really depends on organizational size & maturity if its a good trade.