Validate that the contents of a balloon are released at the altitude the balloon ruptures? That seems like a very weak cover for action, especially since they admit in earlier statements that they are trying to grab attention... and also sell "cooling credits". Mission accomplished - they got that attention they wanted.
The plan is for the balloon to partially vent at a target altitude, and a separate cloud chamber to release then. This test is of an off-the-shelf balloon kit, presumably to validate altitude targets and flight predictions. They've been pretty open about exactly what they're doing and when, and even had (still have, technically) a feedback form for you to submit your advice.
None of that "plan" or "test" actually needs to release any sulfur dioxide, especially because they don't seem to be doing any kind of measurements of the substance once released. Pretending this is anything but an intentional act of provocation isn't "pretty open about exactly what they're doing". This is really all somebody needs to read to know what is going on:
> Luke Iseman, a serial inventor and the former director of hardware at Y Combinator, believed all of that research was not happening fast enough. So he started tinkering with releasing sulfur dioxide particles into the atmosphere with balloons, raised venture capital to fund the startup, and brought on co-founder Andrew Song to manage sales.
You seem to be upset that they're charging money for something, and then you separately seem to be upset that they're trying to do the actual work needed to fulfill the promises made via the sales. Is Luke Iseman supposed to just sit down and stop having a job, or does he merely need your signoff before he starts a new project? What, in the end, is your point?
I'm not sure I'm ready to join you in outrage that someone started a business for the purpose of earning money.