They are fixing it. The only debate in this thread is whether they should automatically refund everybody who might have been affected, regardless whether that person intended to continue or not. That's a pretty different thing.
I don't see how this is a debate. People unsubscreibed Kagi, they never subscribed again, billing them is illegal, period. (And even if it were legal, why would anyone want to that in the first place? If I operated a business I most certainly wouldn't want to bill people that are not my users.)
"wHaT iF tHeY wAnTeD tO sTaRt pAyInG?" was just a joke on twisted cartoon scammer logic, not an argument.
Anyone that wants to use Kagi again can click on the subscribe button.