Earlier quoted context omitted.
Interlingua is artificial language where vocabulary is common to the widest possible range of western European languages. Many Europeans understand Interlingua without knowing it. Examples: Mi aeroglissator es plen de anguillas. Multo ben, gratias. E vos? Contente de facer vostre cognoscentia! Il es un placer facer vostre cognoscentia! Amarea vos dansar con me? Parla plus lentemente, per favor Patre nostre, qui es in…
I'd suspect that a monoglot german speaker would understand nothing of that. Even an english speaker and despite our huge borrowing from french it's not too easy.
Speakers of romance languages probably feel the same way about Folkspraak:
> All mensklik wesings âre boren frî on' gelîk in werđigheid on' rejte. Đê âre begifted mid ferstand on' gewitt on' skulde behandele êlkên in en gêst av brôđerhêd.
Surprisingly, the language has been invented after the invention of keyboards with finite space for diacritics. In so far as it actually has been developed at all.