Messi can be compared to billions of ppl are the world who play or dabble in football. This dude can be compared to what - a couple thousand?
Anecdote of 1 of course... but I'd also guess that I'm not an outlier, and Messi is much better known than your two suggestions in pretty much any country.
As for the climbers, Honnold achieved some normie fame as the subject of an Oscar-winning documentary[1]. Steck was also among the best climbers ever, but his speed records centered on the Alps (hence my joking aside about the Euro audience).