Not to defend her, because she is nutso, generally, and has taken it way too far. but there were SIX Steve/Tony fics in Yuletide 2011. Six!

http://archiveofourown.org/collections/yuletide2011/works?utf8=%E2%9C%93&commit=Sort+and+Filter&work_search%5Bsort_column%5D=revised_at&work_search%5Bother_tag_names%5D=Steve+Rogers%2FTony+Stark&work_search%5Bquery%5D=&work_search%5Blanguage_id%5D=&work_search%5Bcomplete%5D=0&collection_id=1186

I remember it being a real annoyance for many people that year, and not really surprising that there was a backlash the following year.