I usually take a laissez-faire attitude towards vice, but I am strongly against sports betting because of it's inevitable impact on sport. I love the idea of the extreme meritocracy of sports and view this as threat to it's integrity.
It's pretty crazy for anyone to imagine sports as 'meritocracy' when exact birth-day, parents wealth, school district/ college wealth, etc, clearly is a HUGE driver of sports outcome (1/4 ? 1/2 ? ). And that is not tying in genetics, or cheating, or more.
Scrape any 'meritocracy', and you'll find it a) by humans, b) in a culture, and underlying unfairness of the cultures still has a heavy impact.
Now they have graduated and are (by all accounts very fine, even superb) doctors. My kids will always earn a fraction of what they do. Hard to argue that wealth doesn't create opportunities.
Oh and by the way, my father is a doctor, so you could argue that his wealth enabled my brother to make it into medical school (7 years of undergrad, multiple years of applying before being successful) in the first place.