Possible explanations, although not by any means guaranteed to be the right ones:
1) Intending to entice someone into a purchase, as you hinted at, and Andreas Wohler does have a bit of form in that regard after bring over Laertes Cause to place in a bumper at Stratford in summer 2006 – Milton Harris bit, and promptly won two in this sphere with it.
2) Irish Stamp can advise better on this than me, but I’m not sure whether bumper (or equivalent) opportunities are as widespread in French racing for horses as old as Il Presidente (a five-year-old already) as they are for three-year-olds,
3) A sense on the part of connections that a horse whose lineage is shot through with Group-class 1m-1m4f Flat turf form (including with dig) on the damside is better aimed at a bumper than either hurdles or artificial surface Flat racing. The opportunities back home right now would probably boil down to just synthetics racing at the likes of Dortmund, Duesseldorf or Neuss, especially as the last-named seems to have ditched its winter hurdle series of several years ago.
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