Bloggers to Pay License Fee

Can you believe THIS?  In Philadelphia, personal bloggers are being forced to pay $300 to the city for a license fee for their "business" license.   I understand paying taxes on any income, but seriously, most personal bloggers only make a few dollars (if that) per year from ads and links.  These aren't professional bloggers or big-names who rake in the ad revenue- one lady said she's made maybe $50 in the last three years online.  This is crazy!!