[zallman]

Because the makers of websites are web devs and not copywriters.

I’m a copywriter that specializes in SaaS tools, and it’s literally always the case.

The founders are brilliant nerds but haven’t a cooking clue about the first thing when it comes to marketing, product positioning or delivery of their value proposition.

[fiftyacorn]

This is the main reason, and the site's aren't pulling enough money to get copy writers

[diehunde]

Big startups such as New Relic have editors that review everything that goes online. For small startups that are just starting sure.