I believe they got their wish in 14... From the release notes: The default mail transport agent (MTA) is now the Dragonfly Mail Agent (dma(8)) rather than send

I believe they got their wish in 14... From the release notes: The default mail transport agent (MTA) is now the Dragonfly Mail Agent (dma(8)) rather than sendmail(8). Configuration of the MTA is done via mailer.conf(5). sendmail(8) and its configuration remain available.