I used NP for many years and transitioned to NABs and BTs when they first came out. All with very good success. I also tried the LRAB but did not have the same success. I finally transitioned to Berger bullets. Are they the perfect bullet for every occasion? No! I have a nice inventory of lead and lead-free bullets, but Berger (and similar bullet makers with similar bullet designs, i.e., Matrix, Black Hole, DRT, etc.) is my go-to bullet for hunting now because of its bullet design.People love Berger and think they are the best hunting bullet made and they blow up like crazy. If I saw them blow up (fail) then I would not use them otherwise stuff them use them and make your decision off from known results you could witness.
Berger is designed as a frangible (fragments on impact) bullet. What you describe is not a failure but rather, by design, maximum energy dump on impact, and it does not need a pass-through to be effective - another attribute that I like about the Berger bullet design.
The bottom line is there is "NO" such thing as a magic bullet (despite the bullet makers' claims) for all occasions, but we have plenty of choices to choose from (lead and lead-free bullets) based on our differing personal preferences and intended purposes.