There is more to it.
http://www.heise.de/bin/tp/issue/r4/dl-artikel2.cgi?artikelnr=23071&mode=print
Although an US-independent system, Us military demanded from very early on that it sghould be allowed th epossebility to switch if down to a lower resolution, if it wants that. after long angered debates, Europe bite it's lips and agreed - and did nothing to comply with that imperial demand. Now the empire strikes back. It's also about demand sfrom the GPS supplier that Galileo should not surpass the quality set by GPS. When Galileo was introduced, american representatice wanted to see it getting shut down, for "the world does not need another, non-American GPS system".