The problem is that when you see something that is not compatible with your intuition, it is hard to ignore it. Especially when you see the person posting frequently. This is the same in a family (Indian joint families ), Sometimes you just don't like an individual, which is OK, and you are free to investigate and argue in a decent manner (giving a tag based on your hunch is not OK). Liking and  Disliking is personal; no one needs to prove it to anybody. I am also fixated with one account and feeling the same situation when something just doesn't make sense, I am sure we all are mature enough to introspect and take the right course.

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Now, regarding the merit giveaway thread, this type of merit sending is not optimal for the overall spirit of this wonderful forum, but it is OK. This much room for freedom should be maintained for merit giving.