Should Boss Health in P4 of T6 Be Reduced?

So just ran JTR p4. Usually getting 7-8M post nerf in p2/3. Got less than 2M for about 3% damage on Bosses.
Frustrated how little damage we’re doing in P4 and think that Boss health should be reduced FURTHER. Concerned will take our 125+ gp guild about 3-4 days or more just on this last phase. T6 for us takes more than a week. Seems way too long. Guys may even start losing interest in the raid or QUIT. Sure that CG don’t want that.