^ Absolutely, if you cease enjoying something, quit doing it or when you have more important things, definitely the same. Whatever you/we do, nothing wrong with doing it on our terms when possible. This is not all that serious of a thing and is meant to be entertaining or positive, at least should be. You can still do as much or little as you like @cuckooflew but when it becomes more of a hassle than it's worth, nothing wrong with taking a break.
*<wrote this before reading your @cuckooflew's post>*
Some things I've noticed which help at least in terms of forum burn-out. Helps to take a break, take a day or two, if you have a tendency towards being a Nix forum addict(I've gone through such phases) sometimes helps imposing a daily limit too, 3-5 posts on a given forum/dy and then doing something else.
Also think it can help to keep in mind we're all volunteers, just cause someone is asking for help on something or requesting others share info or things they've learned about something doesn't mean anyone is obligated to help them. Definitely helps to recognize when you're taking something too seriously. The fate of the world does not rest on some nix noob figuring out why some trivial thing isn't working the way they prefer. Personally been trying to stick to threads which for whatever reason pique some interest, also like to see the person is honestly trying to learn and research, making a reasonable effort themselves, things such as providing basic info, hardware, OS version involved, software etc etc. If they can't be bothered to do basic common sense things like that, I don't see much reason to care about their problems. If it's something they could've/should've easily figured out via search engine search, then again ... am not bothering wasting time explaining anything to them or doing a here let me google that for you type of affair.
Though also try to shoot for the if you have nothing nice &-or constructive to say, why bother posting ? Often have started typing out a scathing, mega-flame response to somebody I feel is being an azzhat and go ah, screw it, nothing good will come of this, so what's the point ... Abandon post. Same for in real life, only a practical principle to try to live by, negativity spreads, can be contagious, so even when having a bad dy make more effort to be nice and put out positive karma for whoever I come in contact with.
Yep, there's always going to be nixers which rub others wrong. With the way many such types conduct themselves, the total lack of competence, basic common sense and reasoning nor anything resembling making reasonable effort, often see the give a fish vs teach to fish thing mentioned, for these type of nixers, feel more like they should be fed to the fish or like the mafia says, should be sleeping with the fishes. Surely no great loss to humanity ... Ah but whatever. A few nixers here I never even bother reading anything they post or threads they've started cause I know it'll only irritate me. Bottomline it's my-your choice and nothing wrong with simply scrolling on by and skip the irritation.
Now to end with a positive.
Lil girl asks, "Daddy ... what are clouds made out of ?"
Dad ... "Mostly linux servers honey."