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WhatsApp is owned by Facebook.

And 30 minutes is a pretty short period to get a representative sample of a service used by billions for many different activities (messaging, video calls, hobby groups, marketplace). The 'feed' that you scroll through is definitely a mixed bag, but Facebook has added focus to more specific and niche apps over time.

For my family we use Facebook because it is cross platform (25 people, several with Android, most with iPhone, and some that like to use it by web), everyone already has an account (ages from 25 to 65), and the quality of the service is high and consistent for both messages and video calls. We frequently do a video call with all members of the family across many devices and 'it just works'.}

Also, meeting in person hasn't really been 'allowed' in almost a year. #covid19