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The Bronze Point had been out (and with mixed reviews) for years and years before the Ballistic Tip or even the Silver Tip.
It itself was an attempt to copy an even earlier tipped bullet (from England, I think). Then, as now, the idea of the tip was to provide high ballistic coefficient, flat trajectory and then serve as a 'wedge' to initiate expansion, especially at long range/slow impact.
It did that. But the drawback was that they didn't have the manufacturing ability to control jacket thickness back then. Jackets were thicker and essentially one thickness from point to heel. So sometimes, bullets exploded because the jacket was too thin for the impact speed (or bones hit) or else didn't expand much at all because the jacket was too thick for the low speed and/or no bones hit.
Today's jackets are tapered, scored, reinforced, bonded (and maybe even baptized for all I know).
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