As Jennifer has stated, there are justifiable criticisms ....
No argument here about that.
when I first joined, I was like: This place is really anal about being exclusive, and I think a lot of new members have the same reaction. But if I may offer a metaphor of my own to explain the evolution that I underwent.
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You are not a Cat person, but one day a hungry stray kitten shows up and you grunt as you place a bowl of food on the porch. He is a bit annoying but slowly you both become attached.
So now you wake in the mornings to find that he has brought you gifts of dead birds, mice, and whatnot that he has left bleeding all over your welcome mat.
Getting tired of feathers and coughed up mouse balls, you grunt heavily as you decide to accommodate him as a house cat. However, you come home to find that he has ripped down the curtains and shit on the kitchen table, and in a fit of rage you toss him out and shoo him from the porch. You also sit his food bowl at the end of the driveway and determine not to allow him near the porch.
Only, you live on a busy street and you wake one day to see him laying in the road as a train of cars grinds him to dust.
After reliving this tale several times, you decide it is best to just throw rocks at strays.