Oh, most certainly.
95% of people doing prog rock are making some of the worst music ever, but when it's done right it can be really great.
suppose the same is true for post-rock, but I would put the "lame" percentage at about 97%. Post-rock's "dryness" is as irritating to me as a lack of songwriting behind virtuosic soloing. Post-Rock can easily rival prog for lack of emotion.