Here's the funny thing - at any point in time most of developers should be happy with the culling - it makes survivors more noticeable. Until they themselves are culled, then it's a tragedy.
a) A developers biggest problem is his competitors. As the culling is a specific category of apps, it's unlikely to remove his competitors from the mix.
b) It adds uncertainty into the business model. You can spend time and building an awesome and popular app and there's no guarantee that Apple won't decide they're culling your specific class of app next.
c) The app store already has so many apps that simply culling a category doesn't bump the numerical odds up that much for an individual developer
Then they came for the trade unionists, and I did not speak out, because I was not a trade unionist
Then they came for the Jews, and I did not speak out, because I was not a Jew
Then they came for me, and there was no one left to speak out for me.