I mean, I think they were only arguing long- and short- selling are gambling, not any form of investment. I would also say most daytrading is at least gambling-

I mean, I think they were only arguing long- and short- selling are gambling, not any form of investment. I would also say most daytrading is at least gambling-adjacent. We get a little more fuzzy once we talk about investing significant amounts into a business (e.g. "Angel Investors") where you can meaningfully be said to be influencing the outcome you're betting on in a significant way, and we can probably say that investing in vehicles like index funds are a pretty safe bet as long as the economy writ large doesn't crash, but like many terms in the english language a whole ambiguous grey area exists where the connotational choice you make in describing it is pretty subjective