All Wopke Hoekstra is doing is talking his way into the chair of Climate Chief, saying all the things the EU members want to hear.
In the Netherlands, he is not seen as reliable. There was this issue after the last elections, where the big parties claim to start a new style of government (without all the lies). Hoekstra was leader of the CDA, and sometime during the negotiations to form a government, there turned up a note saying "Omtzigt; position elsewhere". Omtzigt was a CDA politician as well, but a critical one and the people of the CDA didn't like him anymore.
Both Hoekstra (CDA) and Kaag (D66) said they knew nothing of that note and pointed their fingers towards Mark Rutte (VVD). Later it turned out all three knew about that note. So much for a new style of government ;)
By the way, Omtzigt started a new party (NSC) and in the polls for 22 November is around 15% of the voters, while the CDA is below 5%. That is how popular the CDA of Hoekstra is today.