It can be physically done yes but it cannot be done because of political and cultural issues.
A critical mass of people will continue thinking it's less serious than the flu (these retracted studies not helping it) until it gets so bad that it becomes impossible (e.g. everyone knows someone they really care about who died). That's when proper lockdowns are politically possible.
A critical mass of people will continue thinking it's less serious than the flu (these retracted studies not helping it) until it gets so bad that it becomes impossible (e.g. everyone knows someone they really care about who died). That's when proper lockdowns are politically possible.