Partially agree to your statement. Recently wake up account for the sole purpose of joining bounty campaign should be reset merit.
I believe this will be a controversial move among forum users. I believe this forum has friendly and fair rules for all users even if they have left their account with any rating for a long time. Changing password, recently waking up, and changing email may still indicate that the account has been hacked or sold (further research need to be done). But I just don't agree that this account should be discriminated against by resetting their airdrop merit revenue to 0 and his rank dropped to newbie. It doesn't seem fair to them.
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Having said this, I'm waiting to hear some opinnions on the matter; this is a discussion forum after all, and see if this can be taken into consideration by the forum administration
Most likely not, mate. I just thought that this step would make the forum unfriendly to all user. As long as they don't break the rule, they are free to use their account in any way.