That's quite possibly true. Simple solution, stop repeating yourself.
I'm not sure you've thought that one through. Your crusade for conservative graffiti style might not be in your best interests. Say they are 'all city' or whatever, and they're more prolific than you. Warring with them is just going to reduce the life of your stuff.
Exactly. Like a lot of silly names that some idiots like to give to styles (with 'Euro' being the silliest example), they're impossible to define.
And does the term 'trendy' graffiti apply to those who started the trends (eg Karl)?