Any {X} is comparable to {Y}, a stick is long and thin compared to an orange which is shorter and round.

Farage is still breathing, compared to Mosley, and both have traded on fear of "the other" .. which others vary.

ok so if you abstract both so aggressively as to lose all descriptive (and especially predictive) power then...

Don't despair, there is no shortage of descriptive flex for either Farrage or Mosley.