So, uh, why was Bryan Singer's name trending after the Kevin Spacey allegations?

The dominos continue to fall as powerful men in Hollywood are called out for allegedly using their positions to take sexual advantage of young people. Kevin Spacey was the latest. But why was X-Men and The Usual Suspects director Bryan Singer trending on Twitter as Spacey's allegations went down?
Following published allegations Sunday night by Star Trek: Discovery and Rent actor Anthony Rapp that Kevin Spacey made a pass at him when he was 14, many on Twitter are openly speculating on the matter