The Most of people should to blanching spoons sometimes by decision from the looking that in the water and blanching for a long time. And some people blanching because believe blanching spoon can disinfection is better than not blanching.
The other is a group that never blanching spoon before eating. The cause is due to a group of people with knowledge and understanding that If the water is not clean or hot enough not disinfect
The last group was blanching spoon before every meal because them think blanching better not blanching and believes that it's can disinfection by don't care about regardless of temperature to peace of mind because I think clean enough.