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[Exchange rate: 52,200] 
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We're only talking about cases like this
Bob
[participates in campaign X]: Alice, I recommend using wallet A, B, C - Not ethical
Bob
[participates in campaign X]: Alice, I recommend wallet A, B, C, X - Ethical
Of course, this does not apply to cases where, for example, wallet X does not have any specification that Alice is asking about. Then recommendation A, B, C is ok.
In general, no one should even think about this, since what I am talking about implies that good ethics should be at the level of instincts among campaigners. Just look at the names on the spreadsheet next to you and you'll see what I mean.