There are actually two reasons for preferring ogg - Technical & Legal
Technically it is a far better quality compression method. The difference is greatest on music with a lot of high frequencies such as cymbals etc. I admit that as I'm getting older I'm finding it less noticeable myself
Legally there are patents that apply to the mp3 format (due to expire in a few years) and the patent holder has been getting steadily more aggressive with manufacturers of 'infringing' devices. There can never be such issues with ogg which is totally royalty free.
As members of Kara-Moon, we are associated with some of the most musically capable and technically adept people, anywhere. In this context, many of the audio tools that suffice for ordinary folks will simply not perform well enough for our purposes. We are enthusiasts, specialists.
On another thread there was talk of "dumbing down" a composition so it would be more accessible to the average listener, and what a tragedy that would be. I think the same concept applies to our audio tools. We need to employ the most appropriate software or hardware tool, regardless of the current fashion, or "what everybody else does" or "what most people use".
People learn by example; those who love good sound will switch to whatever audio tools they see us using. In that sense, we have a responsibility, as audio enthusiasts, to set a good example.
There are also legal and moral implications involving software audio tools:
I like the characteristic sounds of both Ogg Vorbis and MP3 - there are no legal hassles surrounding Ogg Vorbis, it is open-source, so it is the more responsible choice.
I like the sound of both MonkeysAudio and FLAC - FLAC is open-source, and functional in Windows, Mac, and Linux, so it is the better choice.
Like "folderol", I have found the open-source audio tools (and operating systems)to be at least the equal of the commercial varieties, but not subject to the advertising hype, legal hassles, and developmental restrictions normally associated with corporate products.
For these reasons, Ogg Vorbis is my choice of compressed audio format.
(Incidentally, for those who don't re-master a file in preparation for encoding to compressed format, Ogg Vorbis will preserve the high frequencies better than MP3, and to my ears, sound better.)
And no, Kara, I don't think you're any kind of idiot...
... just a musician, and that's why I like it here...