For me, it's not a question of good or bad, bashing anyone's music, or throwing anything under the bus; it's a question of whether or not it's personally appealing, steering away from any technical analysis or the merits of the music itself - a whole 'nother story. In the case of "Watcher"/Genesis, it's an interesting tron sound (which I have in my MkII) and they were an interesting band that produced some interesting music, but neither "Watcher" nor Genesis simply carried as much personal appeal for me as, say, YES (up to and including Close To The Edge), Moodies (classic 7), Strawbs (up to and including Ghosts), or ELP (up to and including Brain Salad Surgery) from that era. Others may and certainly do feel differently. Personal choice; I don't lose sleep over it. Not limiting this idea to bands, Celine Dion (aside from the fact she does not write any of her material) sells tons of records and sells out all her shows and has mass appeal, but you won't find any of her recordings in my collection; rather you'll find me listening to the likes of Edwina Hayes, or L.A.-based Meredith Meyer. Again, the eye of the beholder...
...and I also like anchovies on a pizza; some of you don't! 
Frank 1
In a message dated 3/8/2008 6:44:11 P.M. Pacific Standard Time, zappaboggs@yahoo.com writes:
I'm amazed how everyone has thrown "Watcher" under the bus like it was a 2000 era bullshit Fripp tune... (boring!)
That opening defined that era... Don't hide...
Hey... Wake up y'all... This is why we are here... Not because some dude from the 18th century wrote some tune that "brings you back"... or some dude in 2008 who pretends to write the same bull shit that nobody gives a shit about that "brings you back"...
Don't care... What was important was hearing Wakeman destroy the sound system at the Spectrum in Philly opening up with Firebird in 73'... That was important...
We are here because someone took this piece of machinery and played "And You and I", or "Court", or "Tuesday" or "Cirkus" or some other bull shit "Prog" tune... Don't over-analyse. ..
It really pisses me off when I hear the real people slag it off like it didn't exist...
I work with a person who always wondered what the fuck that sound was... So I played it for her and now there is another "sucker", I mean person, who understands how "Heart of the Sunrise" begins...
Never forget...