Smeg appliances poor quality.

I bought a Smeg 90cm gas cooker and after 1 year of use the oven just could not be set on a specific temperature. It's either max or nothing. The oven frequently would also turn itself off. Since I bought it I could never bake something decent in that oven. This is not rhe first time I've been disappointed with Smeg quality. I will never buy any Smeg appliance again.