Children fly with at least one parent. Families being separated for an extra 3 days is not a big deal. Many families are not willing or couldn’t afford renting a hotel or AirBnB and quarantined with their family members. Some even shared a bed with travellers returning. There are certainly people who took every precaution to quarantine without any contact with their family by remaining in a basement or getting a hotel/AirBnB. On this forum I have seen many examples of families quarantining with non-travellers sharing bathrooms, sharing a small home, etc. In these cases people will catch with the new variant.Sit and read in the context