Those fraudster really take advantage of people who're willing to compromise in order to get a job. Anyway, this is one of reason people keep recommending using hardware wallet or using separate device to store cryptocurrency.
Sometimes simpler means better. There are a lot of well known conference software that works just fine
And what is your point? It sounds easy in theory to stick to simple and well known Software, yet some people really need a job and want a career for themselves. Out of despair, many would fall for this trap.
It's also worth to mention big company may create their own software or use business software, which isn't known by average people.