The US and it's cronies have invaded more countries than Russia has since 2013. Not to excuse Russia, they'd be worse also if they could, but it's far from having been disproven - Libya is in a worse state right now than Ukraine thanks to the France, the UK, and the US (Libya in 2014, Syria continued after, then there was the sabre rattling in Iran, etc...). And of course Afghanistan, and the saga with Iraq where the US threatened military force if they were kicked out. And there's also the war in Yemen in which the US is a belligerent in all but name. And then there are also military actions in subsaharan Africa. Not to forget ongoing regime change initiatives. By all metrics the US has been more deleterious to peace than Russia in the past 10 years. Not out of inherent evil or any moral consideration of course, but mostly because of greater scope of action - which is of course an element in the magnitude of a threat.

Since 2013 US-backed wars have indeed led to more deaths and have broken the peace in more numerous countries with a higher population than Russia.

So no, you are incorrect in saying that they were wrong - they were definitely right. However, your media bias has led you to focus more on one event than on multiple others and from a different viewpoint.