Whether he is convinced or not, and whether he can win in the court of public opinion or not, sadly and more importantly, he is already winning on policy -- and that result seems quite explicitly racist:

EUobserver / Dutch coalition to target burqas, Muslim immigration

Anti-Islamic politician Geert Wilders has emerged triumphant in Dutch coalition talks, with the new government to introduce a bill on banning the Muslim face veil and to try to halve the number of "non-Western" immigrants in the country.

The Netherlands' new "Freedom and responsibility" coalition formally includes just the Liberal Party (VVD) and the the Christian Democratic Appeal (CDA). But the 46-page-long coalition agreement by the minority government makes far-reaching concessions on burqas and immigration rules in order to be able to count on parliamentary support from Mr Wilders' PVV faction.

(My emphasis)

_{*Lunatic*, n.
One whose delusions are out of fashion.}