Evangelism in small-group churches is by relationship. As new people come into a fellowship, it grows requiring the group to multiply. A few members start fresh, stepping out with a small footprint. The prayer is that eventually this new group leaves a bigger footprint.
The quarantine experience may very well have left a surprising legacy of church life. Maybe this lockdown was an incubator for new churches—vine churches—that are small, agile, and significantly, everywhere. Maybe online meetings can be seeds for new communities.