While I am sure well meant and perhaps based on daily regular use, I find this confusing as well. HP = Revs x Torque. One is directly related to the other with revs “in the middle”. To win races HP is key as revving high and related noise is less of an issue. If Enzo said this he probably meant endurance races like the 24 hrs of Le Mans and revving flat out at say 8000 or 10000 rpm for 24 hours becomes a reliability issue, yet HP together with aero dynamics and cornering grip wins races. Ferrari’s are by the way high HP designed and tuned engines.
As to this point, Williams tested their F1 car with a CVT able to rev flat out all the time (at around 16000 rpm as F1 engines do) and knocked several seconds of the Silverstone round times. The FIA for some obscure reason banned the use of a CVT in F1. Must be the industry lobby behind regular gearboxes.

F1 Technique: Williams tested a CVT transmission back in 1993 (+video) | Car News | Auto123
Read this car news article from 2014-01-02. F1 Technique: Williams tested a CVT transmission back in 1993 (+video)

For daily use and certainly off reading I do agree high torque engines (which means relative high HP at lower revs) are more useful.
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