Tell me: what are the facts for your statement, that PoW isnt suitable for Sybil-prevention.
That is not my statement, you are misrepresenting what I said. PoW is useful for blockchain based approaches, PoW and IoT is oxymoron, especially so with a DAG coin.
You just have to read my posts again, and pretend that it was iotatoken or Come-from-Beyond which wrote them, just do that and its all set, its not a big task to ask, just pretend that it was an "IOTA-dude" who wrote it and not me, and read my posts. That is all.