If the fibers can be made cheaply and are biodegradable, then perhaps you could make deliberately and responsibly disposable tights, in which case their strength wouldn't matter as much. It's not as cool as super-strong hosiery, but thinking about it, i quite like the idea of disposable underwear!
https://en.wikipedia.org/wiki/Polycaprolactone
If the fibers can be made cheaply and are biodegradable, then perhaps you could make deliberately and responsibly disposable tights, in which case their strength wouldn't matter as much. It's not as cool as super-strong hosiery, but thinking about it, i quite like the idea of disposable underwear!