I feel all signature advertisement campaigns, and their respective users, are detrimental to the integrity board no matter the quality of the post above it.
Bad idea (generalization fallacy). You will miss out on posts from various groups, e.g. some staff members (e.g. hilarious, me, sometimes mprep), some excellent posters (e.g. Shorena) and even people contributing to Bitcoin Core (e.g. Achow).