As a writer (and former student) any kind of plagiarism bothers me.

I don't care if it's the same group writing for multiple projects, they need to present unique content. That's not to say they can't get guidance from an outline but definitely use your own words and convey the true voice behind the company!
I like what beej said too:
If plagiarism is clearly that noticeable then it's contents can be questionable.
The whole package and project itself might as well be suspected as a scam.
It would make me think twice about investing in them because if they're cutting corners with a fundamental piece of information, what else are they being cheap with?