We can, as long as you believe these new warnings shouldn't be taken at face value. It adds a layer of doubt to the situation that wasn't there before.
Who hadn't updated their code in 2 years. It's stable software that's likely more secure than most things you'd switch to, whether or not it has active development. I'm not saying you don't want to keep an eye out for a new alternative, but you may want to wait for the dust to settle, since in response to this, it seems likely that we'll see a TC fork.