Both Hallmark Cards and Carlton Cards have in some respects been able to acquire, according to the article, exclusionary rights, to the detriment of these small, efficient competitors, simply because they can't pay these large sums.
Hallmark Cards et Carlton Cards ont pu acquérir, selon l'article, des droits exclusifs, au détriment de ces petits concurrents efficaces, tout simplement parce que ces derniers ne pouvaient pas payer ces fortes sommes.