Memes

They're valid sources and work well. Your sources are overwhelmingly from the US Empire and NGOs they set up or otherwise have strong connections to, like Directorio Legislativo:

Directorio Legislativo is a civil society organization based in Argentina and the United States that has been working for more than fifteen years to strengthen democratic institutions in Latin America and the Caribbean.

Geographical area in which it works: DL has offices in Buenos Aires, Argentina and in Washington DC, USA. We are a regional organization with projects both in Argentina and other Latin American countries. We capture and share regulatory news and information from the governments and legislatures 19 countries (Argentina, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Nicaragua, Mexico, Panama, Paraguay, Peru, Dominican Republic, Uruguay and Venezuela)

Popular polling does support Maduro. I wouldn't trust those that claimed the US 2020 election was fraudulent, yet these same people are also saying Maduro was fraudulent.