15% of the roughly 200M adults in the US is 30 million people.
If presented as total elimination of police departments, the survey might have missed support for more nuanced calls to dismantle police, said Phillip Atiba Goff, co-founder of the Center for Policing Equity. “One notion of abolition is the need for discontinuity from the violent and racist past of law enforcement,” he said.
It’s not saying that it already includes both groups.
I'm the first person to argue that 'defund the police' was a terrible slogan to adopt, but that's precisely because everyone jumps to saying "but we don't actually mean have no publicly subsidised law enforcement". Even if the rafts of related reform proposals are still far too idealistic for the real world, it's not a position comparable to the Q faithful having the numbers to win primaries.
Other people being wrong or behaving badly doesn't make it ok to break the rules.