No no no no no

God damn. This is a perfect example of how a little knowledge is dangerous.

1. Artificial sweeteners do NOT cause insulin to be released. 2. On that note, insulin is a storage hormone. That is it. It is not a fat-hormone. You know what's one of the few hormones that almost all bodybuilders take? Insulin - because it makes their muscles grow.

You get fat because your intake of calories is excessive, regardless of whether its done via carbs or fats.