Instead of actively invading and forced conversions, they could have simply parked a cube in earth orbit and offered Borg immortality to anyone in extremis.
Judging by how may people are rolling up their sleeves for a not fully tested vaccine using novel, unproven technology to avoid the possibility of catching a disease with a fraction of a percent chance of being fatal, the Borg wouldn't be able to keep up with the demand!
OTOH, loads of people download the latest Microsoft update or patch, or patch's patch, or patch's patch's patch before it' been fully tested!
Hmmm, what other untested massive release is Bill Gates involved in...
You're thinking of this one...
