You are still able to run unsigned (and now unnotarized) software. It requires holding down a single key when first launching it. I’m pretty sure the trade off

You are still able to run unsigned (and now unnotarized) software. It requires holding down a single key when first launching it. I’m pretty sure the trade off here - to prevent the average, relatively uninformed user - from downloading and running random software is very much a worthwhile trade off for malware protection etc.