I don't subscribe to that philosophy, but if it works for you, then that's all good.  How you decide to model is up to you in the end, but I can tell you from experience, creating one high quality object per day is not that difficult, even if you do it "correctly".  By correctly, I mean, of course, good logical modeling technques.

I've modeled 6 freebies, and an entire fully furnished office, from scratch, in about 4 weeks, using only Max and 3dCoat for texturing.  All together, I was averaging like 2 models per day. I don't think I skimped on any quality doing so, but that's in the eye of the beholder I guess.  I try to maintain a high level of quality in my work, because I plan to redistribute my objects for others to use. You never know if someone will want to edit my objects to suite their needs, and I allow that, so I try to keep things clean and easy to manage.

One thing I hate is trying to edit someone else's objects, where they've not taken a reasonable approach to modeling whatever it is, and I end up finding it quicker just to model it from scratch rather than try to manipulate their mesh.

In most cases, the speed at which you can create something has everything to do with knowing your tools.  You can easily model things with proper topology, and logical edge flow, as quickly as someone just kit bashing something together, if you know how to begin with.  That's my philosophy.  Mileage of course may vary.

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