Not even close. You have 50+ OPs before that one.
https://boards.straightdope.com/search?q=%40spice_weasel%20before%3A2008-01-01%20in%3Afirst
You did burst on the scene with more OPs than many. Back in Jan of 2007, the 12th to be precise, you unleashed this Nietzsche-related post on the unsuspecting TMs as your first OP.
Just 10 days after your opening salvo of 8 response posts on Jan 2 2007:
https://boards.straightdope.com/search?q=%40spice_weasel%20before%3A2007-01-03
In case you wondered, the Discourse advanced search feature really rocks for this kind of research.