Whether he's a public figure is debatable (the Wiki article gives a good summary of the questions we'd need), but all it means for a defamation suit is that Goo

Whether he's a public figure is debatable (the Wiki article gives a good summary of the questions we'd need), but all it means for a defamation suit is that Google would not have to prove malice. There would be many other hurdles to clear. IANAL.