Hm.. 12 instead of 15, the more reason to be worried about the network sustainability. Just enough to shut down 12 witnesses and confirmations are delayed forever. The network which propagates transaction in-the-absence of confirmation is a dead network, truth will out.
My mistake, not 7 founder's witnesses but
6 Just shows you still doesn't understand how Obyte works, but you think you do.
Because, you think there is 15 Order Providers, but there is 12. Always have been 12. If stats.obyte.org shows more, then there is still 12, others additional ones on there are just candidates to become one of 12. Those 12 Order Providers are not the network, the network is all full nodes, which have been between 60-200 during previous years. Many of these full nodes can automatically recover even if DDoS them, some of them are even behind TOR.
You don't understand what centralization means, Obyte doesn't have block producers like on blockchains, so it doesn't matter if there is 12 or 15 Order Providers, what matters is that nobody has majority. Whether Obyte founder has 5 out of 12 or 7 out of 12, that is not majority. So, he is not single point of failure.
So, even if you take down all his nodes, which you don't know where they are and which doesn't have to be on same machine, that would not stop the DAG from becoming stable and nothing serious would happen, maybe just little longer confirmation times.
And even if you could somehow take down majority of 12 Order Providers, it would not take the network down and confirmations are not delayed forever, they are only delayed until they come up again or the network gets forked. If you would understand anything about Obyte, you would also understand that Obyte doesn't have mempool, so even if all Order Providers are down, all your transactions can be considered as confirmed once they have been posted. Only thing yet to be determined is just the order of transactions. Even GUI wallet let's you spend unconfirmed funds because the transactions are already on the network, not in mempool. Blockchain has probabilistic finality, so you can't be sure when your transactions ends up confirmed, but Obyte has deterministic finality without any voting.
But you probably still don't understand this because even if you have managed to teach yourself how blockchains work, your tiny brain can't take in any more information to understand that there is other ways without blockchain cons.
Here are things that by your logic are "network down":
* Nano - when network got spammed, user transactions didn't got confirmed, but spam did. Network down?
* IOTA - when payments were disabled for whole month and only 0-value data transactions went through. Network down?
* Bitcoin - China lost power, 30% hashrate disappeared, blocks weren't mined in every 10 mins on average for 2 weeks.
* Ethereum - Geth follower certain rules, Parity followed other rules, Infura wasn't updated because unannounced hard-fork.
What do you call those networks, that can be re-orged with 51% attack? Network f-ed? Can't happen on Obyte, but happens on blockchains.