If your goal is to just shoot them yes. But if you are paying per pig which some hints are or after a trophy that $70 is a small price difference. Like stated if you are paying $200 a hog and you hit the shield or shoulder with your target bullet and it runs off now you paid $200 for the hog you didn't get and $25 for bullets that didn't get the job done.
All depends what type of hunting your doing. I shoot a lot of running hogs. So staying off shoulder is not always an option.
Plus To be honest we are in an expensive sport no doubt. You probably don't mind drinking beers at the bar for $3-5 a pop but worried about a 2-3 dollar bullet. It's all how you look at it