My advice to OP and those with his concerns.
Stop calling them agents.
Call them conservatives, republicans, independents or even Trump supporters.
Defeat their rhetoric or misinformation with sound, logical, unemotional, fact based arguments.
That’s how grown men behave when confronted with people they disagree with.
Over 70 million people voted for this man. You aren’t going to be able to hide from them or silence them all. There’s not enough safe spaces on or offline on this planet.
Follow the example of posters like
@Rhakim