What’s more, if they are illegal I’d imagine that they have only been allowed to remain because someone, somewhere is taking a regular few thousands Francs in bribes. 
La zaidi, kama vipo kinyume cha sheria nadhani vimeruhusiwa kuwepo kwa sababu kuna mtu, mahali fulani ambaye kila mara anachukua faranga elfu kadhaa kama rushwa.