Appeal to identity. Prejucide and bias. Not considering an enthusiast of a technology might actually want to get paid working with that technology. Shameful comment all around.
Disclosing conflicting of interest is standard practice. People writing about economics do disclose when holding relevant shares.
In the end, it's a simple question: Are the opinions stated sincere or does the author have a pecuniary interest which might make things a bit more subjective?
