It is always an exercise in horrible estimates and it gets really tiresome. If you always greatly exceed the estimate (by orders of magnitude!) it wasn’t a goo

It is always an exercise in horrible estimates and it gets really tiresome. If you always greatly exceed the estimate (by orders of magnitude!) it wasn’t a good estimate, it was PR. I assume NASA has real estimates they use internally. No one could be this bad at it and still have a job there surely.