I imagine this question was prompted by the thought that some themes claim to be more SEO friendly or ready. A person who believes in all the SEO hype would probably look for a theme making one of those claims.
Moving just a bit further they’d probably then wonder why the SEO experts didn’t take their SEO expertise and bundle the plugin and an SEO ready theme together…
Read More Source: Jeff Hawkins’ answer to Why hasn’t one of the big WordPress SEO plugin developers like Yoast created a SEO theme with the plugin as part of the theme? – Quora
