Let's just stop this and maybe be the good guys again.
Good guys take responsibility for their own actions. When they hurt someone by accident, they still own up to it.
Good guys weigh the danger of what they're doing against the good that can come from it.
Good guys try not to hurt kids.
So when we throw a flash-bang stun grenade into a baby's crib and critically injure the child, and claim that we've done nothing wrong because OMG drugs!, well, we're not being the Good Guys anymore.
I'm done with people's grandparents dying in a hail of bullets as they respond with a gun in hand to the intruders in their house, who happen to be cops serving a search and arrest warrant on their grandkid.
I'm done with no-knock warrants.
If there's not a hostage involved, we do it by the numbers, serving a felony warrant. We knock on the door, LOUDLY, and announce, LOUDLY AND CLEARLY, that we are the police. We explain that they have an extremely short time to open the door, or we will open it for them. We make clear that we are the police, serving a lawful order. We then make entry, announcing our identity and intent very clearly (Not just hollered incoherently.). We then go about making the scene safe, and serve the warrant.
Will some evidence be lost? Yes. You bet there will be. And that's a damned shame.
But it's not as big a shame as what has become to be far too commonplace, in the case of the No-Knock Warrant.