Agreed 100%! I interviewed at Duke (my #2 choice) at the end of January and the PI said they would get back to me first week of March, then they changed it to end of March, and then they never got back to me! I got an offer from my #1 choice school and I just emailed the PI from Duke, nicely saying that I was surprised they never got back to me after they said they would, but luckily it has just shown me that my first choice was the right fit for me. They replied 3 mins after blaming it on the COVID-19 situation and how it "slipped their mind" to not tell me they rejected me because it was a "very competitive year". Let's just say, I dodged a bullet.... I am so happy I will not be stuck with such a selfish, irresponsible researcher for the next 5+ years! They never even checked in with me even knowing I am an international student currently stuck in the US with no family during the pandemic and with a history of lung disease!! I feel bad for whoever will join their lab...