While Apple's decision to not include Flash in IOS devices arguably accelerated its demise, Flash is going to be obsoleted by HTML5 at some time in the future a

While Apple's decision to not include Flash in IOS devices arguably accelerated its demise, Flash is going to be obsoleted by HTML5 at some time in the future anyway. So I wouldn't put it this way. Flash going away is beneficial for Adobe as well, as they'll have one less cross-platform virtual machine to maintain that they distribute for free anyway.