It's already difficult enough to get people of the capacities that most of us want to see (good, smart, could be employed elsewhere, empathetic) involved in politics as it's so negative and divisive.
There are, as other comments highlight, loads of legitimate and reasonable reasons why somebody would be using a phone mid-debate: rebuttal research, communicating with colleagues in chamber, communicating with their own office/staff, the list is fairly long and reasonably legitimate.
It's already difficult enough to get people of the capacities that most of us want to see (good, smart, could be employed elsewhere, empathetic) involved in politics as it's so negative and divisive.
There are, as other comments highlight, loads of legitimate and reasonable reasons why somebody would be using a phone mid-debate: rebuttal research, communicating with colleagues in chamber, communicating with their own office/staff, the list is fairly long and reasonably legitimate.