Most browsers have great support via the IPFS Companion ( https://docs.ipfs.io/install/ipfs-companion/ ) and that is better since it is easy to have an IPFS node running locally since it is quite efficient.
No, it isn't.
(Though on a Linux system I also modified the low water setting up to 1000 peers and the high water setting to 2000 peers)
But yes, from running it ~10 minutes just now, it looks quite reasonable.
I don't think I'm going to adopt this.