Of course, Arnstein could be right, sometime these "experts" may not be "experts," her arguments brings back to Betsy Devos, current US Secretary of Education, many were convinced how she isn't fit to lead in US Education Department especially after viewing her hearing for the position. Despite having professional workers underneath, who could do the proper research and provide the right solution, many freaked out when she proposed that firearms should be legal in school territories because she believes that guns will "protect from potential Grizzlies"
Even though, she said that she will have the matter to be handled differently by states and locales. Unfortunately, she or the president will be able to have the power to control the outcome of firearms policies in education which makes sense to better have individuals or communities to have direct involvement in it.