You've clearly never been in the comment section of anything remotely related to GMOs... the word "shill" gets thrown around like "hitler" gets lobbed by the left in a political 'discussion"... you're more likely to be dismissed as 'stupid' by the right in a forum or comment section than to be accused of being paid off...
the 'professional protester' accusation is most often applied to live Protests... and there is a history of that being accurate...