It was an idea that evolved over the years.
There’s plenty of failed ideas. Maybe capitalism is another one that will be replaced by something better. Only time will tell. It will be exciting if a replacement happens in my lifetime.
Bad systems die so no worries but what constitutes a bad system also depends on available resources.
When Empires collapse bad things happen, capitalism is a global Empire. If we let it self destruct we'll destruct with it. It'll collapse, that's certain, but if we just wait then we have no agency over what comes next.
We get it, you're an apathetic obstacle to progress and your descendants will pass judgement on you for that. I hope you continue to stay out of the way, rather than joining other liberals on the fascist side.