For everyone talking about the benefits of glass bottles, they have their own dangers.

This study from Children's Hospital of Philadelphia showed that broken glass bottles accounted for 15% of all lacerations in children (the largest single cause) and broken glass bottles most frequently inflicted injuries resulting in functional impairment or hospitalization

https://jamanetwork.com/journals/jamapediatrics/article-abst...

There may be a possible danger from plastic bottles over the long term, but widespread glass bottle adoptions is going to result in a lot of lacerated kids.