Conversely, can I pay for said surgary drink in DodgeCoin? Well no, you can't, but not for the same reasons. Starbucks doesn't have the facilities to accept DodgeCoin. Can you use it as an investment vehicle? Yes.
And that is crux the problem. Because the answer is {"No", "Yes"}, the SEC has determined that these things (crypto) are regulated as Securities. The problem is it's far more nuanced than that. Just because everyone is using them as securities instead of currencies, does that make them securities?