At least be honest. Dems like the mail in ballots and ballot harvesting. They go into areas that they know won't go vote. They fill the ballots out for them. Gather them(harvest) and turn them in. They are good at it and that is what they do. All those people in those areas are not filling out those ballots and doing it correctly themselves. That is the way they do what they do.
The Dems are to the point they don't even want someone running against Mush Brain, who can be controlled and is a puppet with cognitive issues.
In summary, they ballot harvest by gather up people's ballot and turning them in them in. They do this particularly in democrat controlled metro areas.
You can call it what you want. Cheating or gaming the system. They do it.