You can have /r/technology and /r/tech and /r/technews etc...
It's a problem that resolves itself. One community or the other will "win".
And if not, whatever. On Reddit, my home city has two subreddits. The content between them is slightly different (different mod teams) and the comments on duplicate posts are different. I subscribed to both to see slightly different opinions and avoid echo chamber.
My wife got me a travel bidet for my birthday. We're on vacation and obviously it's along for the journey as well.