The issue here isn’t is the armor effective but would it explode and kill you without even being hit. There have been plenty of mishaps with vaccines the last

The issue here isn’t is the armor effective but would it explode and kill you without even being hit. There have been plenty of mishaps with vaccines the last swine vaccine for example had severe side effects that caused disabilities. When you plan to vaccinate millions of people even 1% of severe long term side effects is something you can’t afford. Having the companies also being essentially exempt from future damages also complicates things because people might suffer from life altering side effects and would not be compensated for.