Over stated. Wheel weights are only an adequate alloy for casting bullets. The metallic elements in wheel weights have been blended to be inexpensive but adequate to fill out the molds without consideration for very defined features. In other words, "close is good enough", for their purpose....Wheel weights are a fine alloy for casting bullets...
On the other hand, Linotype is specifically blended to fill the features of the molds in the greatest detail (as required for newspaper and other printing type). That quality (as well as being an eutectic alloy there is no "mushy" stage), makes Linotype and other type alloys, ideal for bullet casting also.
Therefore, it is Linotype, that is a "fine alloy for casting bullets...", where as, wheel weights is just the most available but at least "usable" (a little more heat, and a little more tin. and perhaps heat treating), alloy for casting bullets.