Shame you’re being downvoted, but you’re right. While Maduro’s regime is certainly autocratic and corrupt, the US has been interfering in Venezuela for decades in order to gain access to its oil reserves (the largest in the world).
This article in is a good overview of the history, which includes two failed coup attempts.
Any claims that this latest ploy is being carried out for the sake of “democracy” should be viewed with the utmost skepticism.