You won't believe his response (thread): https://twitter.com/JoanieLemercier/status/1112774849712283648

Full story: https://paper.dropbox.com/doc/Autodesk-coal-mining-correspondences--AvayWKAemfyHygkBDAvvfhYcAQ-dckonEZTYKKeNO6N3SqH0