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Just read that review and it did not say that its views of DSOs are better than a 12" dob. What it said was
"At this point I have to say that some telescopes magnify too much, not this one, this has to be the best view I have ever had of these two galaxies, believe it or not, my 12” Dobsonian does not do them justice!"
This is an important point as for some objects, in this case the M81, M82 pairing but others such as the Grus Quartet, the Leo Triplet, the M31, M32, M110 trio (which the review mentions later on) a low power, widefield scope is ideal. However when it comes to detecting faint stuff, and it should be noted that the example in the review (apart from one, the Veil nebula) are bright DSOs, nothing beats aperture. It is simple physics, collect more light, see more stuff.
The important lesson is that no telescope does everything well, while a great starter scope, it will have strengths and limitations that need to be understood to get the best out of it.
Cheers
Malcolm
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