If you wanted to destroy a party, e.g. the democratic party. All you would need to do is run as a democrat in some area where the representative has been doing it a while, but not putting in effort and just coasting off of name recognition like how AOC did it. Then once you're in you basically become divisive and push the party towards the extreme, but alluring end of the spectrum. The establishment members wont want a bar, but the average uneducated voter will. Free shit! Wow! Communism means I don't have to work! UBI means I don't have to work! Climate change is bad outsource to China. Basically, you will force the establishment members to become VERY hated as they push back against their own base, and slowly cause the party to fracture.
In many ways Trump did this. By virtue of this that establishment RINOs only cared about Tax breaks and not their actual countrymen.
Let me just say if you want to get back at the dems, don't run as a MAGA republican. Run as a democrat, push for extreme socialism, and I mean extreme. Use useless platitudes to hype up the base, constantly attack people in your own party, and slowly fracture it.
Obviously, fuck being a dem.
Aoc funded her campaign with bartender money? She probably got some soros money, her victory was an anomaly. I do belive that there is some plants in govt like you described.