With bigging up Brand as a top climber, this isn't a stretch. Although she isn't explosive (which is kind of strange for a cyclocrosser, but apart from two top 10s (including an Amstel Gold podium) from the break she's fairly quiet in the Ardennes and has never contested the GC at races like Emakumeen Bira), longer climbs where the diesel can get warmed up she's top quality. She was 2nd on Torre di Fraele in the Giro 2019, 4th in the Teglio MTT, 3rd in the Campo Moro MTT in 2018 and 6th on Monte Zoncolan, won the queen stage in the 2017 Giro, and has been top 10 on GC there a few times. Was she likely to theaten Annemiek van Vleuten or Ashleigh Moolman-Pasio here? No. But she was definitely a shout for the top 10.
As for ES thinking Deignan will outsprint Rivera, Deignan has a good finishing kick and Marty McDonald is a bit of a Lizzie fanboy, and it wouldn't be the first time he's kidded himself as to her capabilities at a given time. At La Course he was genuinely thinking that she was still in it as her group sat several seconds behind the leaders while the sprint was being led out by van der Breggen.
As for ES thinking Deignan will outsprint Rivera, Deignan has a good finishing kick and Marty McDonald is a bit of a Lizzie fanboy, and it wouldn't be the first time he's kidded himself as to her capabilities at a given time. At La Course he was genuinely thinking that she was still in it as her group sat several seconds behind the leaders while the sprint was being led out by van der Breggen.