That is his only argument as it is the left's only argument.This sounds lovely, but would require state intrusiveness and snitching to be the bedrocks of your society for such policies to be even mildly effective.
You have not thought through the consequences of you policy ideas.
Perhaps you think traffic regulations prevent fatalities? We know that you would not be able to test that assertion against the ideal of liberty.
What you want is your restrictions implemented. What you're unwilling to consider is that doing so requires the subjugation of individual wills. And the best arguments you have for people to bow to your agenda are emotionalism.