It almost certainly is a legal need. I don't know why you're dismissing this so quickly. Their product is the #1 access management platform for citizens to log into US government websites, I think that a lot of their employees will need basic security clearances from the US government because of their proximity to personal data.
It wasn't dismissed, it was met with a question. A question you bizarrely didn't answer. What's the point of replying to a question that you don't have an answer to?
It almost certainly is a legal need. I don't know why you're dismissing this so quickly. Their product is the #1 access management platform for citizens to log into US government websites, I think that a lot of their employees will need basic security clearances from the US government because of their proximity to personal data.