we've done projectd with kinect sensors for fall prevention in hospitals. one con is that many people are uneasy if there's a camera-looking sensor pointing at their bed.
the fact that it can be easily modified OTA is a red flag enough that Tesla is pushing software out without the same level of testing hardware does. shipping a MVP in the hopes it doesn't' cause an accident isn't exactly best practice.
there are many more beneficial bacteria in the environment than disease causing ones. wiping them all out may decrease some disease incidence but prob cause more issues like allergy/eczema etc.
it's hard for new gamers to get into a new game when developers are following the marvel universe concept where everything needs to have a backstory and you need to watch prequels/sequels to fully enjoy things. ultimately they are pandering only to their die-hard fans who will churn with time