I think it's ok to change an opinion, that's what science is about. However the tone was really dishonest, right? When it was brought up first time[1][2], it wa

I think it's ok to change an opinion, that's what science is about. However the tone was really dishonest, right? When it was brought up first time[1][2], it was more important to wall-up then truly communicate... on another hand, maybe it was just too many media coverage, everyone wanting to deliver the last news, demanding answers that weren't available. [1] https://www.npr.org/sections/coronavirus-live-updates/2020/04/03/826219824/president-trump-says-cdc-now-recommends-americans-wear-cloth-masks-in-public https://www.npr.org/sections/coronavirus-live-updates/2020/0... [2] https://www.webmd.com/lung/news/20200608/who-changes-stance-says-public-should-wear-masks https://www.webmd.com/lung/news/20200608/who-changes-stance-...