LFD didn't create bad players; they already existed. So long as MMO's are around there will always be underperformers, trolls, elitists and people who are just clueless. On my server people rarely ever talk in chat and groups for heroics are hard enough to form let alone FPs. Can't exactly make friends when people are apparently ferociously antisocial and terrified of doing things out of guild or just talking to people in general.
SWTOR needs an LFD tool; no one has fun sitting in Fleet for an hour or two putting groups together. No one. Also, people don't need to worry about it "destroying the server community" as they don't exist anyway.