The facts are that David Mcclure is stepping down due to his long-term sexual harassement of women:
https://techcrunch.com/2017/07/01/500-startups-dave-mcclure-...
And is shutting down investment funds associated with him: https://betakit.com/500-canada-to-shut-down-fund-investments...
Considering the article above says 500 startups is refusing to pay its bills, one person sharing an anecdote of 500Startups being flakey and perhaps being oriented towards David's libido, doesn't seem alarmist or unreasonable at all.