Zuckerberg no longer experiences risk except for in the most abstract of ways. Not in the way that the vast majority of people think about risk.
I would also suggest lack of conviction and lack of ability to complete the job look very similar, and you are likely to end up with the latter of you are surrounded by yes-men.
Effectively, there is no difference between an apple and one with a bruise. I still get the same nutrition and taste, most other differences being unimportant.
A jacket with a hole has massive loss of effectiveness, and I don't receive a new jacket to wear each day.
A car with a dent has significant loss of value, not that it's something I'm terribly concerned with, I run all cars until they die.
There can be ethical issues surrounding lab grown meat, mostly around how much energy it takes to produce lab grown meat, and the nature of that energy production.
My guess is that beyond will soon be cheaper than regular meat, but that the requirements for creating lab grown are simply going to be too great to be able to compete economically or ecologically. I'm going to be very happy to be proven wrong someday, but that's my initial, knee-jerk reaction.
I imagine that whatever culture is developing the vegetarian/vegan food products will do whatever they can to emulate the foods that are already part of their culture, as that is going to be the primary replacement request.
In the US, I'm guessing the biggest items are burgers, dogs and sandwich meats.
Carl's also has the beyond burger, which I personally think is superior. My wife disagrees, and prefers your standard veggie burgers (we are vegans of 15 years).
I would also suggest lack of conviction and lack of ability to complete the job look very similar, and you are likely to end up with the latter of you are surrounded by yes-men.