I don't know where you are from (I'm really curious though), but where I live there are more than two political parties and more than a few mega corporations to buy or rent from. You seem to have an extremely distorted idea of what live is like in "western countries".
Can you please share your country of residence? Because in Germany I really don’t feel the choice. There are few political parties, but I don’t feel this variety helps in any way. There are few mega corporations for everything else, just check the list of richest germans.
Edit: I might be another troll, but from last few elections I don’t feel any progress. As an engineer I see continuous offshoring of well paid positions to cheaper EU countries. As self employed electrician I see regulatory and tax madness.
I lived in the UK for 10 years, I've also lived in a number of other countries, from democracies, communist (Vietnam), and varying degrees of democratic and economic freedoms.
I'm aware there are more than exactly 2 parties in the ballots in many western countries. It's not about the numbers, but whether any of those choices really give the people real alternatives, or just different ways to screw the majority of the people.
As you can probably can see from the above interaction, people resort very quickly to ad hominem attacks.