Important note: Grammar Nazi is not a compliment. It cannot be "reclaimed" in the name of people who like readable sentences.[1] Please do not associate yourself with National Socialism, for Godwin's sake.
The following collection of boxes, and the fact that the last one makes me wince, should let you know my views on apostrophes.
This user thinks that if your grammar is incorrect, then you're in need of help.
its & it's
This user understands the difference between its and it's. So should you.
its it's
It's really not that hard to use each word in its proper manner.
’s
Thi's user know's that not every word that end's with s need's an apostrophe and will remove misused apostrophe's from Wikipedia with extreme prejudice.
Noteworthy, amusing, useful or just baffling pages