Falling rocks in Switzerland

Keeping its own course and its neutrality, isn't that supposed to be trademarks of Switzerland? Everyday a bit less in banking and certainly not in Falling rock signs. This is a hunderd percent German version.
Having seen this sign in other neighbours of Germany like Austria and Belgium, I wonder what to think of it. Is it simply the all to common bad taste at work, or do we witness a case of foreign influence ?.
Airolo, 28.VI.2003; pict. C. Vanhercke  

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More roadsigns from Switzerland: Men at work - Children's crossing