It's not like this is new. Look at Java and .NET collection APIs, for example - both languages have the OG 1.0 versions, and then the more modern ones. In a similar vein, .NET has four different ways to deal with XML, of which three (XmlDocument, XPathDocument, and XDocument) are basically redundant representations of XML trees, each one doing things differently based on lessons learned.
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It's not like this is new. Look at Java and .NET collection APIs, for example - both languages have the OG 1.0 versions, and then the more modern ones. In a similar vein, .NET has four different ways to deal with XML, of which three (XmlDocument, XPathDocument, and XDocument) are basically redundant representations of XML trees, each one doing things differently based on lessons learned.
It's still better than the mess that is Node.js.