As feld, clarry, danrik, etc. have pointed out, having a consistent coding style makes identifying bugs much easier.

"regardless of the practical value of creating single solutions that work everywhere"

Since these are the same folks who do OpenSSH, I would imagine after the initial work is done, it will probably evolve to be as portable as OpenSSH and the other OpenBSD projects.

Also, they are doing many bug fixes as shown on http://opensslrampage.org