For your tacos to be securities, the company would have to be working in some capacity to give those tacos more value in the future. Since tacos expire, all reasonable taco investors know that their investment will go to $0 in the near future, therefore no expectation of profit.
It's amazing how broadly security is defined and enforced. The only examples I was able to discuss with the SEC that were not securities were when the asset being sold could not reasonably generate a profit and could not be transferred. Basically like selling a product or accepting a donation.
There is also securities case law where a company sold a security to a single person or very few people and they were sued successfully.
Here is the big reason why. If you are creating an ITO, you are implicitly promising that you will provide tacos to someone in the future.
It is a taco future. You can't just create futures, even taco futures, without falling under regulations.
THAT is the problem with ICOs. Look, if you just want to sell a cryptocurrency, that has ALREADY been created, you won't run into any issues with the law. There is nothing illegal about premining, and selling a crytocurrency.
The problem is when you say "This cyptocurrency represents stake in something that doesn't exist yet, but I totally promise that it will exist in the future". No. Thats a future. Thats a security. If it doesn't exist yet, you can't sell it without falling under security laws.
They would dismiss your complaint as silly, trivial, and obviously frivolous. That is, your complaint would fail the test of common sense.