"At $1.50 per unit, these are disposable tools for mass deployment, not precision instruments."
The 'Sufficient Quantity' of 20 mice for under $30 means each unit costs about $1.50. This price point guarantees the absolute minimum viable hardware for pointing and clicking, and nothing more.
IT managers outfitting school labs, libraries, or call centers where mice are frequently lost, broken, or stolen. This is also a viable purchase for organizations needing a large box of emergency backup mice.
Anyone buying a primary mouse for their daily computer. The minimal build quality, generic ergonomics, and low-spec sensor are unsuitable for gaming, creative work, or even prolonged office use.