Yes, there is: women stepped forward.
> Have male leaders of similar protests been treated better?
Men either haven't experienced the same, or they are keeping their mouth shut.
In both scenarios, women should be supported. If men step forward, so should they. They didn't so far (or at least, not in large enough numbers for such a protest to be reported), so based on the data we have available to us, the problem affects women way more than it affects men.
But to answer your question, yes. If enough women were affected that they felt compelled to step out, and men didn't, that's clearly a gender bias issue.
Here's an article[0] from October. Relevant quote:
> After publication of this article, Sundar Pichai, Google’s chief executive, and Ms. Naughton wrote in an email to employees that the company had fired 48 people for sexual harassment over the last two years and that none of them received an exit package.
Unless you believe that 48 people were fired for sexually abusing the exact same woman, the problem is a bit more... shall we say widespread?
[0] https://www.nytimes.com/2018/10/25/technology/google-sexual-...