That starts going down the path of the "not invented here" mindset. You could then attribute not hand-rolling every bit of infrastructure yourself as "laziness"

That starts going down the path of the "not invented here" mindset. You could then attribute not hand-rolling every bit of infrastructure yourself as "laziness". Yes, I am lazy to the point that I don't want to hand-roll an industrial-strength RDBMS myself, or the operating system, or the networking protocol, or the key/value store, etc etc.