This was going to be the "top 10 Subversion objections cheat sheet".
...
I couldn't come up with even 5 credible objections: if you want a system that just silently sits there and runs your version control, you could choose far worse...
So here they are.
Subversion objection #1: But Checkin/Checkout is goood!
Subversion objection #2: "Branch proliferation" and other weapons of mass development
Subversion objection #3: Whose branch is da bomb?
Subversion objection #4: "But Doc: think of the children" merge conflicts demystified
Subversion objection #5: There is *no* objection #5