Coming from a launch that had its own share of issues, I can say that things like these happen for a variety of reasons: 1. Developers overestimate their capab

Coming from a launch that had its own share of issues, I can say that things like these happen for a variety of reasons: 1. Developers overestimate their capabilities 2. Developers underestimate timelines 3. Client overestimates developer throughput 4. Client underestimates man hours required for any given feature. 5. Someone expects someone else to do QA. 6. Project manager assigns everything an ASAP priority And this is just to start.