Then just don't call it a mmorpg. You don't need thousands of people on at once to do something. Pretty much anything can be done with just a party of six. Sometimes it's bigger and you need an alliance of 18. Even with wildskeeper reives once the number of people get to about 40 it feels crowded. What doesn't matter is how many people need to active at one time for you to consider the game massive. What does matter is what works.