It would indeed have slowed down the field immensely, but we would have avoided the chaos that is ahead of us right now.
And that sounds crazy compared to the standard we're used to, but what's crazy is that if your coffee machine explodes and harm you the makers are liable, but if your coffee machine is part of a botnet that disrupts a critical infrastructure, causing the death of people, then somehow the coffee machine maker faces literally no liability for not securing their IoT crap.