"10x" is one of the more destructive memes going around. It's a subtle shift in the discussion from talking about technique and actual work, to talking about something which is being used as a proxy for "your worth as a human being".
The only work which matters is the work which gets done. You can accomplish a lot by simply doing the things that need doing. Bad code gets written and all that.
10x isn't just a meme going around ... It's even referenced in "The Mythical Man month". If you're a "productive programmer" you should never have a problem finding employment but what "productive means depends on the context. Does NASA want code quickly or do they want well thought-out and thoroughly tested code? With Etsy's DevOps infrastructure, they're pretty confident deploying several times a day.
The only work which matters is the work which gets done. You can accomplish a lot by simply doing the things that need doing. Bad code gets written and all that.