I wouldn't
dedicated too much effort to the Old English Wikipedia if I
were you. Who's going to read it? You're just producing learning aids
for people learning the language, you're not really creating an
encyclopaedia.
So much for creativity and innovation, Thomas :-(. A person is usually
advised not to attempt something because of possible negative effects and/or
outcome. Is that the case here? I think not.
The negative effects are the loss of his time. That's only really a
negative effect for him, so if he wants to go ahead anyway, I'm not
going to try and stop him, but if I were him, I wouldn't waste time on
it.
Sounds like a worthwhile project to me.
What will it achieve? In particular, how will it further out goal to
provide the sum of human knowledge to people?