No. He has. So have I. He's commenting on the reality of a culture dominated by fanboyism and a framework advertised on the basis of being "full stack" which to naive eyes can seem to be "everything you need".
rubygems -enables- granular reuse of libraries, and many ruby people take great advantage of it.
But as a whole the perl community has got a hell of a lot more practice than the rails community at it - and of course rails has inherited the same fanboyish muppets that used to give perl a bad name (line noise? no, that's a phase you go through and grow out of if you're any good, takes about 3 months or however long it takes you to need to maintain your own line noise :), went on to give PHP a bad name, and in a few years will probably have given rails a bad name (possibly they are doing already? I dunno, being a perl head I tend to ignore that sort of groupthink idiocy, my language was unfashionable when I first learned it :)