The inability to take a tow truck to orbit is exactly why you need to push the boundaries to find out what works and what doesn’t. Also note that “littering” is

The inability to take a tow truck to orbit is exactly why you need to push the boundaries to find out what works and what doesn’t. Also note that “littering” is an irrelevant analogy in these orbits because of their low altitude. Atmospheric drag will cause anything in these orbits to deorbit in a matter of years to decades. Just don’t go doing stupid stuff like releasing hundreds of millions of copper needles in a three-thousand-kilometre orbit as part of a misguided attempt to provide a reflective surface to carry military communications around the globe. That would be actual littering, as would any test of an anti-satellite weapon.