I understand that.
Yes, the new system will now come into effect immediately after a team kill, but it's that first team kill that causes all your issues because it's easily abusable.
No system is perfect but the changes do not address the issue at all, they simply change what the punishment is for team killing.
So while I do appreciate the effort being made by Ubisoft, it has to be pointed out that the effort will be largely ineffective if it's even effective at all. The developers involved in this are essentially wasting their time when they could be working on something much more effective.
The "buffer for accidents" is the entire problem and is what allows for the toxicity to occur and a system needs to be put in place that discourages and can punish the first team kill.
And as I said elsewhere, If I were to run a red light or dent another drivers car by accident I would expect to be punished for doing so.
If I teamkill by accid...