Hear, hear. This is my very first post here, but I know there's not much point asking you lot to be gentle with me.
We've always found that if anything privateers are less considerate than hirers or sharers, but there's huge overlap. (And don't get me started about some hotel boats. )
My most embarrassing boo-boo in 30 odd years boating was at Foxton in the days of Mick and Crystal. I raised a paddle before Mick reckoned I should have, and he spent quite some time explaining my mistake to me. It was my first outing in our new share boat, and his final words were "You share owners, you think you're boaters, but you're just glorified hirers really!"
After many happy years sharing, we moved to liveaboard eight years ago, but still tend to call share boaters glorified hirers.
All done in the best possible taste, natch.