The DDF is a serious (I hope) focus group, and FD need that input. As for the numbers, 200 out of 27,000 is under 1%.
Hah, they're a bunch of clowns, honestly! "gif me spays sheeps, pew pew" is pretty much the height of it.
6.46 margin of error - http://www.comres.co.uk/poll-digest/11/margin-of-error-calculator.htm# - so, at worst, 30% of those 27,000 want PvE!
All that aside, despite Frontier repeating that "it's not an MMO", it is a persistent multiplayer online game and you'd expect them to be aware of the fact that PvE and PvP offerings are pretty much de facto in such games, and to have considered it, no? :S