I'm a Dreamhost customer too. They were doing an insight analysis in that post, not recommending or forcing anyone to move to gmail.
Dreamhost is a great service. They allow you to setup all your email in a gmail account, using your own domain, with a few clicks in their custom web panel (so no firstname.lastname@example.org problems here)
If you disagree or want something different, they have a voting poll. If your idea is good and get enough votes, they'll implement it in a near future... for no charge. Having tried several hosts in the last years, I'm pretty happy with them.