You might be able to find some of those, but you probably don't want to work with incubators or accelerators that consider anybody -- let alone such a large absolute number of people as "ex-FAANG" -- a "shoo-in". Just think about the second order consequences of that.
And yes, when it comes to startups (i.e. business) and funding, word of mouth is very powerful and not to be underestimated.
And yes, when it comes to startups (i.e. business) and funding, word of mouth is very powerful and not to be underestimated.