[slouch]

you can rewrite a lot of the WP functionality by writing a plugin. if your plugin is popular, it's modifications may be absorbed into the core software that is distributed at wordpress.org. you're calling open source development dirty workarounds.

[CyrilMazur]

If it worked like that, WordPress would already be OOPed and MVCed isn't it?

[CyrilMazur]

Nope, I don't follow up the WordPress development at all so I can't judge

However, I can't believe none of the WordPress developers has never suggested to rewrite it using nowadays technologies?

[slouch]

i'm not sure i follow. are you suggesting that the wordpress development team discourages participation?