The Space X explosion was almost funny because not unexpected. It was data gathering. No creatures harmed. https://www.google.com/search?q=spaceX+explosion+not+surpriseBut in general I understand that scientists conduct experiments, record data, make adjustments. Clinical trials on animals including humans are closely monitored and need to be done before exposing general population. Two different populations
As to FOOD - the originally brought up gene editing - money making drives all kinds of somewhat odd research to promote product appeal.
The CRISPR technology has vast possible uses.https://www.npr.org/transcripts/974751834