A Wiki is a crowd-sourced work of social art, similar to 'I was here' street art. Both groups work on a boundless canvas. It's emotional work, good for the soul. Put it all out there, limited only by ambition and energy.
I am mostly a blood line only researcher. With thousands of rabbit holes lurking in one's playfield, one risks sanity and having a life outside Wikitree to pursue more than a few hundred. But if I have information on a related line, I will add it to the closest blood relative's profile. It would be anti-social to simply let extra information languish unused in one's records.
DNA research has modified my approach significantly. The search to identify connections to DNA cousin matches demands that I follow forward, at least skeletally, these cousin lines. I still wait for cousin line members to complete these intermediate bios. But I give them a head start; seems easier to work on an existing bio than to begin creating from whole cloth.
Our work is permanent. And if someone defaces our artwork, makes an unartistic contribution, Wiki rules allow us to just paint over it.The good guys always outnumber the bad actors, and arbitration is available for most he-said she-said cases.
To ensure longevity of our tree, both on the front side and behind the scenes, we should all enlist new, younger members to carry on. In my case, it is son Barry, who has surpassed my 30 year effort in less than two years.