The scenario might not be as unlikely as it had been a couple of years ago. But it still is nothing that is lucrative. So when our main character gets an offer with a lot of money involved, he won't ask too many questions. Now you can act morally superior and question the whole thing or just the fact how he handles things. But we wouldn't have a movie, if some things would not flow a certain direction.
Having said that, it is tough for the actors to act with two things in mind. And that is to keep the viewer guessing. It is not a big secret that you will be asking yourself "what's going on". The movie almost begs you to ask that question. But it's not so much about any twist that is there or isn't. It's about the fun idea behind it. Fun as a movie idea, not necesserily if it were real of course ...
Having said that, it is tough for the actors to act with two things in mind. And that is to keep the viewer guessing. It is not a big secret that you will be asking yourself "what's going on". The movie almost begs you to ask that question. But it's not so much about any twist that is there or isn't. It's about the fun idea behind it. Fun as a movie idea, not necesserily if it were real of course ...