I wonder if it would be worthwhile to clean up (for lack of a better term) vaccine production's use of pork (and other?) animal products, aborted fetal stem cel

I wonder if it would be worthwhile to clean up (for lack of a better term) vaccine production's use of pork (and other?) animal products, aborted fetal stem cell lines, etc. to reduce some of the religious objections. Or would it not matter, and people would find something else to support their belief?