Software gets worse as it gets bigger. The classic measure is 15 or so bugs per 1000 lines of code. Most software companies have career ladders that reward buil

Software gets worse as it gets bigger. The classic measure is 15 or so bugs per 1000 lines of code. Most software companies have career ladders that reward building broad abstractions that affect most of the product / company. So people add layers of complicated middleware to have “broader impact”. So over time, you aren’t just subject to bugs in feature A. You’re subject to bugs in feature A and library B and framework C and injected monitoring D and so on for the same user action.