why must there be 50 threads ever fall on this subject?
There are some kinds of broadheads that are simply designed to penetrate better than other.
There are some kinds of broadheads that are simply designed to hold up stronger better than other.
Read Dr Ashby reports, they're easily found on the net, they'll enlighten you on how the arrows and heads you choose is so vitally important.
Choose the absolute BEST penetrating setup you can possibly get, and if ever a shot goes not as its expected to? THAT is when how good your choices are matters.