The reason I think it was right that time was how cheap it was for me to access Archives.
With Desperado, it would be efficient for me to hit Archives and come back to R&D, therefore shuffling in right away denies me my best line.
I don't remember how many agendas were sent back, but if you're sending 2 or fewer agendas back, you're also adding non-agendas to R&D and agenda density doesn't increase much. If any of the agendas are NAPDs or TFP then it's even less of a consideration, etc.
It's definitely a situational play but one that's right a portion of the time.