There is only one reason to ban detachable magazines: to prevent rapid reloading. Why prevent rapid reloading? To make defensive fire less effective and less hazardous to the assailant. Why? Because government thugs don’t like being shot back at when they assault citizens.
It’s clear to the casual observer that the gov’t doesn’t want the citizens to have the means to defend themselves from the gov’t.
Why anyone can’t see this is a mystery.
It’s understandable why people aren’t getting up on their hind legs and shouting this - because of the fear of being marginalized as some sort of kook.
The left has done a good job of creating this societal atmosphere over the decades - any opposition to gov’t makes you a dangerous kook.