|Boots: remarkably thick, even by cat standards|
So "They know what I mean" is only a valid argument if you aspire to no higher level of communication than my cat, who is remarkably stupid even by cat standards.
When it comes to apostrophes in plurals, those who say the rules are too complicated seem to have devised a rule of their own that is almost infinitely more convoluted than the real rule. As far as I can gather, it goes something like this:
No apostrophes in plurals, unless it's a foreign word, an abbreviation, an acronym, a word I don't know how to spell, a word that ends in a vowel that isn't 'e' or word that is in any way a bit funny or unusualPoor me. I'm going to stick with the super-intellectual rule laid down by those Grammar Nazis (or is that Nazi's?)
No apostrophes in pluralsAdmittedly, that's a simplified version. The full, long form is as follows:
No apostrophes in plurals. EverThat includes abbreviations, which is much easier now that dots are considered fussy. Sorry if that's too complicated. Leave your WTF?s in the comments section.
Moral: The simpler the rule, the easier it is to devise something far more confusing