I can see that.
When your hands are numb from cobbles, don’t want to accidentally shift down on your front derailleur, and then have a chain drop when you’re trying to shift back up on a critical section.
I think they still favour double chainsets, not because they use the smaller ring, just so that the chain can drop onto it rather than off the chainset entirely.
Having done Paris Roubaix the only time I dropped my chain was on a smooth bit of road oddly. The Forrest of Arranburg is rougher than some rock gardens I've been though, the other cobbled sections aren't too bad though.
I can see that.
When your hands are numb from cobbles, don’t want to accidentally shift down on your front derailleur, and then have a chain drop when you’re trying to shift back up on a critical section.
I think they still favour double chainsets, not because they use the smaller ring, just so that the chain can drop onto it rather than off the chainset entirely.