Arguing is almost always pointless, anyway (Well, between close friends, it can remove frustration at times, though).
While I have quite a few games now on my Steam library, I remember my feeling when I had to install Steam first time when I bought a game on dvd. I felt it was forced on me but the indie game company developed the game didn't have any other option since the deal is done by the publisher. Some of us put more than I have spent on the game for CE+ tiers and they were buying it directly from the developer. Also, the concept of DRM free as "no string attached" i.e. no SecuROM, no Steam, no Origin, no UPlay seems to be common if you browse some digital download sites.
I, myself, still have the habit of using Steam offline but I'm not sure how much of info they gather from my activity even if I'm doing so. Personally, I use Gmail as a platform to gather incoming mails (initially for the powerful spam filter and now to organize on the top of it) but I don't tell this to everybody who send me a mail. And you know, when it comes to the privacy, Google is kind of... In any case, nowadays, on daily basis, we have to weight our privacy (and some other people's privacy) against daily convenience as long as we are putting our devices online. DRM is just a part of this trend. While I'm accustomed to some conveniences which Steam offer, I don't blame some people simply because they have more strict "security policy" than mine (by keeping their devices free from these clients).
