I doubt the community is mature enough for that audience right now already or that Steem is big enough already to tempt such orgs who do rely on advertising revenue.
But I’m happy to know that @ned is against censorship (DMCA covers only rights holders).
The own interface is an interesting option as well. Especially because I’m pretty sure there would soon be a “counter interface” without flags shown and with “report post” option to manually hide content beyond tags filtering.
Inevitably, blockchain is the destination. When is the question, not if.