"People are doing [illegal thing] anyways at great risk. By making [thing] legal we reduce the risk. That doesn't mean it's not bad; it just means it's safe"
"[Thing] has been legal now for decades but is still considered bad: isn't it time for that to change?"
In other words, you decouple legality from morality when you want to make a thing legal, then you re-couple them again when you want to make it "moral".
You can see numerous examples of this in action, from abortion to drug use.
The Standard Process of Normalization:
In other words, you decouple legality from morality when you want to make a thing legal, then you re-couple them again when you want to make it "moral".
You can see numerous examples of this in action, from abortion to drug use.