Any reason why IPFS addresses cant be handled by "regular" DNS. There doesn't seem to be any technical limitation. Why aren't cloudflare doing that instead of jumping on the blockchain/ENS hype train.
Not really. They say "dweb resolvers ideally provide.." but that is opinion. DNSSec covers #1 (with more security than trusting a 3rd party ENS resolver, actually), and #3 is also a problem for non dot-eth domains. I don't see much value in #2 personally.