Ae you suggesting you go back in time to tag accounts that were traded way before you even existed in this forum now that you are a DT member? If so, then go ahead, that's your choice.

But from my opinion, I won't go back to tag old accounts because of old account trades from way back in 2013 or 2016. How sure are you about the situation back then compared to the situation right now?
Were DT members back then incompetent to an extent that they ignored tagging account sales?

Just a mere look at the forum rules suggests that there was a soft stance on account sales back then, as people even used accounts as collateral for loans. This is not possible today.

This is similar to you suggesting that all DT members stop being "selective" and start tagging all accounts involved in merit abuse, spamming just because some accounts got red tagged back then for such acts, and now it's not a thing as it looks stupid leaving red trust on someone's account because they sent 5 merits to their alt account.