Me : And?
X : You're wrong.
Me : Join the queue with the OpenStack, Agile / Lean or Six Sigma Everywhere, Serverless is not the future, Private / Hybrid / Multi cloud, Bimodal, Virtual Data Centre. DevOps is culture ... crowds.
The most interesting cases are those where people selectively reinvent the past ...
Once in a blue moon someone will say "sorry" ... other times, well ... people forget, memory is faulty. Let it flow. Water under the bridge.
What you really want to be afraid of is everyone telling you that you're right.