An important aspect to ponder is the psychology of those who feel it necessary to continue to hold church services against medical advice, as well as the motives of the religious leaders who continue to offer church services during the COVID-19 pandemic. The following article indicates that fear is a key motivator for both kinds of individuals:

https://thnkngchristians.wordpress.com/2020/04/09/help-i-cant-survive-for-one-month-without-a-pastor/

If this is true, which seems plausible, then the fears of the attendees are being exploited by religious leaders.