Mate it's up to you, you've done the research and know the risks.
It probably comes down to how much the pain is impacting your life. I can't run or hike anymore, but I used to, but towards the end I was kidding myself, I hiked a 5 dayer felt like I had a knife in my back. But at least I did it while I still could.
If you just have niggle and can stay functional, I say deal with it. If it's a lot more than that and non-responsive after time and physio... well, it's a different matter.
I would say don't wait until it is totally unbearable as I don't think it's good for you mentally.
Remember, you can always postpone the surgery. The condition is pretty static. There's no reason you can't come back in a year and do it. But once it's done, it's done, and there's no going back.
Good luck.
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