Please fix threat on blood dk after turbo boost

My raid has 2 blood DKs as tanks in raid and after the turbo boost event we steal each others aggro on bosses multiple times during fight. Most of the time its because of the 4set lining up with our offensive CDs or just the 4set alone if we death strike a lot.

On mythic bandit at least 20% of our wipes were because of this. At the end to kill the boss we just agreed to stop doing dmg and press our rotation incorrectly.

We had no threat issues before the ilvl bosst. Is there any chance to fix this? Its super demoralizing being forced to play like that. Its not normal that if I use my CDs and my 4set procs I have to stop doing dmg because I dont want to wipe the raid…