Sorry, I couldn't get past the bolded.
A) Attacking grammar is pathetic enough
B) If you're going to attack someone's grammar, at least get your facts straight:
Meaning or
The slash sometimes serves as shorthand for or, as in:
Each guest must present his/her ticket prior to entry.
Once the new president is elected, he/she will have little time to waste.
The deficit reduction will be achieved by spending cuts and/or tax increases.
http://www.thepunctuationguide.com/slash.html
In other words, if you see "his/her" it's probably not a reference to a hermaphrodite. Got it?