If you think only remote villagers are racist, maybe it would be useful to remind you all that the largest party in Switzerland is the UDC and that focuses mainly on scapegoating immigrants.
Naturalisation is one thing, the whole general immigration system is anothere and there is wide evidence that it is indeed racist and /or strongly xenophobic. There is for example no legal response to race discrimination on the job or race or nationality discrimination during the hiring process. Which is pretty bad for a country where about 20 % of its inhabitant are not Swiss citizens.