It is completely reasonable to take precautions to avoid spreading a virus, just like you should wear a helmet when you ride a motorcycle to protect yourself in the event that you crash.
The implication of saying they “crumbled” to the “social pressure” is that it’s bad to take clear feedback from your user base. It doesn’t make any sense.
I used Hipmunk all the time for finding and comparing flights because their filtering was really easy to use, but I never had any reason to book through their site because I had all the information about the flights and could book directly.