Sure, there's a policy, but who cares? People need to quit meddling in the affairs of others. If a relationship is consensual what's the issue? If we're spending a significant part of our waking hours at work, it should be a baked in assumption that at some point, some coworkers are going to end up in a romantic relationship together. Hell, the majority of my significant romantic relationships started out as consensu…
First, he agreed – it was in his contract he couldn't do it.
Second, oftentimes it's hard to tell how consensual it is when there's a large imbalance of power. Was it completely consensual? Maybe. But companies have a no-tolerance policy because it's hard to tell, and you don't want managers going around making subordinates uncomfortable, or employees taking advantage of managers.
Third, he now has an explicit bias toward a single employee.
He doesn't deserve to be blacklisted and grouped in with sexual harassers, however he did violate his contract and brought his fate at Intel upon himself.