It certainly is becoming apparent that the only way to open is to get
some form of immunity and without an effective vaccine, that comes by
people surviving the infection.
You can try to sugar coat it but that is the reality.
New Zealand got a lesson last week. One guy potentially infected a
couple hundred people (I haven't seen the real number of infections
but something like 280 were quarantined) in spite of sealing the
borders of the country. There was no immunity so one stray case
rippled through everyone he met and the people who met him met.
If he had been wearing a mask and was social distancing, that number of infected people may have been 7 instead of 280.