Really interesting interview. English-language transcript here http://stockholmsklattring.se/intervjuer/adam-ondra/ plus the clip of his first two 8c blocs. His comment on trad and grit: "R) You do most sportclimbing and some bouldering. What’s your opinion on traditional climbing? A) Traditional climbing where use of bolts is out of bounds, I’m not against it but in for example on gritstone in Peak District I feel that the ethics is quite strange. In my point of view once you set off you can never return to the ground but some of the routes are climbed in a way that you set off climbing a couple of metres put the gear in climb down and then start climbing again with the gear in place. I’m definitely not saying that the gritstone should be bolted but what inspires me more is where traditional climbing really makes sence because it is more efficient and faster and that’s in the mountains."

One I found surprising and little sad to be honest... R) Would you bolt a route that could be climbed safely without the bolts, for example a hard crack? A) I do think I wouldn’t hesitate to bolt it but if ten years later someone comes who could do it in a tradtional way I wouldn’t be against the chopping of the bolts and keeping it this way.