I’m okay with cross-posters, providing the following is true:
(1) If the original account-holder is not the one operating the cross-poster, the operator makes that clear and offers to turn it over if the original account-holder ever shows up;
(2) Filter out conversations from the other site;
(3) If the original account-holder is here, don’t treat us worse than the other site. Be present to answer responses, just as at the other site;
(4) Other than a few specific bots, non-conversational relays are undesireable.
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My preference is make the #Fediverse your home and relay to the #corpocentric sites.