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We use light BT type for hogs due to so many houses around but I'd hate to see deer destroyed like they do on pigs.

What do you mean by "light BT type"? Light enough within caliber to fall into the varmint category of BT?

My campmate, his boys and I have used Ballistic Tips numerous times on deer/pigs and we have yet to "destroy" one. These include the 95 grain fired from the 243 Winchester, the 120 fired from the 260 Remington and the 150 and 165 grain versions fired from the 308 Winchester.