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I've put hours upon hours on my server, sometimes sacrificing IRL stuff like studies and sleep, and I'd say it's worth it. I really depends on your goal in the first place. I love seeing happy players on the server, which is why I focus much more on making the server as bug-free as possible so it's easier to enjoy.
And actually KyoSohma, I wouldn't say it does. A lot of adventure servers are successful as well. I personally own a survival one with land protection, of course so my line of thought would be that it's the best, but that should totally depend on preference.