Explain it like I'm 5: Why is everyone on speakerphone in public?
Your phone still functions when held to your ear, people!

TL;DR
- Public speakerphone use is a widespread issue causing annoyance to fellow commuters and shoppers.
- Transit agencies like SEPTA in Philadelphia have posted signs addressing the behavior, indicating it's a common complaint.
- News outlets in New York and London have reported on the issue, noting public reluctance to confront those using speakerphones.
- Potential explanations for the behavior include obliviousness, a lack of consideration, or even pandemic-related social changes.
- Despite frustration, there is no clear consensus on why people use speakerphones in public or how to effectively stop it.