It seems you don’t understand what they’re talking about. It’s not about the individual thumbnail and personal taste regarding the one individual image. It’s about the class of thumbnails that utilise/follow the ‘clickbait’ model, a system of manipulation developed and actively encouraged by the attention economy of ad-based media which has a broadly pleasant-feeling but long term negative effects on the users and society.

Not wanting to engage in or encourage the process of social harm is not a ‘personal issue.’