however, i think it is up to older people to take the responsibility to put signs at the front of their lawn that say something like "we opt out for the year" to stop kids from running up to the doors.
remember: this virus has minimal effects on children, and we should probably hope most of them get it. the thing we don't want to happen is for kids in the neighbourhood to infect the seniors in it, and it's really the responsibility of the seniors to ensure they put signage up to keep the kids off their lawn.
and, if you're older, yes - you should spend a quiet samhain indoors. i'm sure the ancestors will understand.