I feel that the best thing is to avoid talking business to strangers on the internet because most of them most be scammers. Assuming Alex didn't listen to them and ignored their request, he wouldn't have fallen for the video call which he got affected from.
This is not possible for everyone in the industry, if you offer a crypto service or you have a crypto platform, there is no way you can avoid discussing business with strangers. Campaign managers in this forum are a great example, if they refuse to discuss business with strangers, they would have zero clients and would be unable to launch any campaign in the forum.
That said, Alexander Choi is the founder of crypto trading community Fortune Collective, so he will always actively be in crypto business discussions with strangers, that is why these scammers targeted him and asked him to partner with them, claiming to be part of the SparkToken team.