Reading the article, I was honestly surprised that the restrictions were only put in place in 2019 - I distinctly remember some introductory training when joini

Reading the article, I was honestly surprised that the restrictions were only put in place in 2019 - I distinctly remember some introductory training when joining a US company years ago, which mentioned basically what I understood as: "any business with Iran is forbidden". Anyone has a clue why it wasn't an issue for GitHub earlier?