My friend told me they speak jibberish in Belgium
You're friend shouldn't base his convictions upon loose assumptions

you'll get a wrong view of a certain people and you'll end up being an idiot for
releasing a failed way of judgement upon people that you don't even know
to keep it on topic,
It would be plain stupid You are asking is just impossible.
Maybe not in terms of realization but in terms of product quality like stated above