I don't really get the appeal of Livecoding.tv. I've streamed a few times on the service and it's not as good as any other live streaming service. Their email marketing is borderline spammy, their tactics are questionable, and they don't offer a particularly solid feature set, or anything specifically helpful for live streaming coding that you couldn't get with YouTube or Twitch (categories, I suppose?). The argument might be made they have audience specifically looking to watch people write code, but I've never seen more than ~40 people at a time on one stream. You'll probably see more traffic on Twitch in the Programming category.

The second half reads a lot like "I can write everything in Javascript so why would I need another language"

I had the same problem with the search. I had to uninstall for now.