It uncovered eight WHO panelists involved with assessing safe levels of aspartame consumption who are beverage industry consultants who currently or previously worked with the alleged Coke front group, International Life Sciences Institute (Ilsi).
Their involvement in developing intake guidelines represents “an obvious conflict of interest”, said Gary Ruskin, US Right-To-Know’s executive director. “Because of this conflict of interest, [the daily intake] conclusions about aspartame are not credible, and the public should not rely on them,” he added.
While I’m no expert, that doesn’t sound correct to me. I’d expect highly specific binding dependent on the chemical structure of glucose would be required to elevate insulin. A quick search seems to support that. I’m sure there are lots of studies on this that you could find if interested.