i think he means, that this is the Problem - many move because they dont have anyone left to fight and moving does not really help. Thats a content issues they made by themself.
WvWvW isnt GvG - and the most just move servers because of GvG. Like the guy earlier said its about server pride too and ppl leaving a server just because of enemies that isnt server pride. I dont get why anet cant give them GvG tournaments etc? (btw im sorry i have no clue about pvp in gw2 - so i dont know anything about the pvp content). If you all want GvG instead of WvWvW then we just make the maps smaller and make restrictions for the maps. So the GvG Players have their maps without any pugs.
WvWvW is like a "home" for me, people i know (since 2012), people i like, people i dont like, it feels good to follow a commander or be the commander, help my server to defend a tower or keep, trashtalking, our trolls, our drama - thats my server and not just an alliance that changes every x weeks, our server has personality. I dont care if we loose or win a matchup - i dont wanna loose them all because some super serious gvg players need more ?!?!content?!?!? in wvwvw
And nearly all people are in differnt guilds with different goals - some are wvw only, others focussed on pve others for raids/fractals - also the restrictions are different. Im since 10 years in my guild... And why do they call this alliance when its all about the guild you in? Yout cant choose the other guilds you get mixed in wvw -so it is totally random.
btw sorry for my terrible english - its not my native language - i hope you understand my point.