I would like to ask you one question that is connected with your question (I like answering questions with questions, sometimes ;) ).
Why would delegating to STEMsocial, that is known for consistently and honestly curating the STEM tags for almost four years (and is nicely considered, to my experience, by all the curation projects you mentioned), be not acceptable? While we are smaller (as we are not targeting the entire blockchain), we have very good authors that deserve more support (and several actually delegate to the project via the @steemstem account).
Thanks in advance for your consideration and I would be happy to discuss this with you if you feel so.